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Dorman
2003 Chevrolet Silverado 3500 Leaf Spring - Rear Dorman

P311-106A9CF    929-129  New

15063185

Qty:
$373.17
Dorman Leaf Spring  Rear
  • Product Attributes:
    • Color/Finish: Black
    • End 1 Attachment Type: Berlin Eye
    • End 2 Attachment Type: Berlin Eye
    • Leaf Quantity: 6 (5/1)
    • Leaf Spring Arc Length: 7.25 In.
    • Leaf Width: 2.5 In.
    • Length A: 32 In.
    • Length B: 32 In.
    • Maximum Drop: 0
    • Maximum Lift Height: 0
    • Pack Thickness: 2.89 In.
    • SRI#: 22-1289
    • Suspension Grade Type: Standard
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Dorman
Position: Rear
Additional Fitment Information:
Vehicle Wheel FeedBase Position
2003 - Chevrolet Silverado 3500 167.0 Rear
Dorman
2005 Chevrolet Silverado 3500 Leaf Spring - Rear Dorman

P311-106A9CF    929-129  New

15063185

Qty:
$373.17
Dorman Leaf Spring  Rear
  • Dual Rear Wheels (DRW)
  • Product Attributes:
    • Color/Finish: Black
    • End 1 Attachment Type: Berlin Eye
    • End 2 Attachment Type: Berlin Eye
    • Leaf Quantity: 6 (5/1)
    • Leaf Spring Arc Length: 7.25 In.
    • Leaf Width: 2.5 In.
    • Length A: 32 In.
    • Length B: 32 In.
    • Maximum Drop: 0
    • Maximum Lift Height: 0
    • Pack Thickness: 2.89 In.
    • SRI#: 22-1289
    • Suspension Grade Type: Standard
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Dorman
Position: Rear
Additional Fitment Information:
Vehicle Wheel FeedBase Position
2005 - Chevrolet Silverado 3500 167.0 Rear
Dorman
1991 Chevrolet K1500 Leaf Spring - Rear Dorman

P311-113050C    929-116  New

15659738

Qty:
$287.95
Dorman Leaf Spring  Rear
  • Product Attributes:
    • Color/Finish: Black
    • End 1 Attachment Type: Berlin Eye
    • End 2 Attachment Type: Berlin Eye
    • Leaf Quantity: 4 (3/1)
    • Leaf Spring Arc Length: 7.5"
    • Leaf Width: 2.5 In.
    • Length A: 32"
    • Length B: 32"
    • Maximum Drop: 0
    • Maximum Lift Height: 0
    • SRI#: 22-933
    • Suspension Grade Type: Standard
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Dorman
Position: Rear
Additional Fitment Information:
Vehicle Position
1991 - Chevrolet K1500 Rear
Dorman
1999 Chevrolet K1500 Leaf Spring - Rear Dorman

P311-113050C    929-116  New

15659738

Qty:
$287.95
Dorman Leaf Spring  Rear
  • 4 Leaf
  • Product Attributes:
    • Color/Finish: Black
    • End 1 Attachment Type: Berlin Eye
    • End 2 Attachment Type: Berlin Eye
    • Leaf Quantity: 4 (3/1)
    • Leaf Spring Arc Length: 7.5"
    • Leaf Width: 2.5 In.
    • Length A: 32"
    • Length B: 32"
    • Maximum Drop: 0
    • Maximum Lift Height: 0
    • SRI#: 22-933
    • Suspension Grade Type: Standard
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Dorman
Position: Rear
Additional Fitment Information:
Vehicle Position
1999 - Chevrolet K1500 Rear
Dorman
1998 Chevrolet K2500 Leaf Spring - Rear Dorman

P311-31331FC    929-107  New

15659739

Qty:
$256.40
Dorman Leaf Spring  Rear
  • 7,200 Lb. GVW 5 Leaf
  • Product Attributes:
    • Color/Finish: Black
    • End 1 Attachment Type: Berlin Eye
    • End 2 Attachment Type: Berlin Eye
    • Leaf Quantity: 5 (4/1)
    • Leaf Spring Arc Length: 7.5625"
    • Leaf Width: 2.5 In.
    • Length A: 32"
    • Length B: 32"
    • Maximum Drop: 0
    • Maximum Lift Height: 0
    • Pack Thickness: 2.4 In.
    • SRI#: 22-795
    • Suspension Grade Type: Standard
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Dorman
Position: Rear
Additional Fitment Information:
Vehicle Body Position
1998 - Chevrolet K2500 Extended Cab Pickup Rear
Dorman
1999 Chevrolet K1500 Leaf Spring - Rear Dorman

P311-31331FC    929-107  New

15659739

Qty:
$256.40
Dorman Leaf Spring  Rear
  • 5 Leaf
  • Product Attributes:
    • Color/Finish: Black
    • End 1 Attachment Type: Berlin Eye
    • End 2 Attachment Type: Berlin Eye
    • Leaf Quantity: 5 (4/1)
    • Leaf Spring Arc Length: 7.5625"
    • Leaf Width: 2.5 In.
    • Length A: 32"
    • Length B: 32"
    • Maximum Drop: 0
    • Maximum Lift Height: 0
    • Pack Thickness: 2.4 In.
    • SRI#: 22-795
    • Suspension Grade Type: Standard
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Dorman
Position: Rear
Additional Fitment Information:
Vehicle Bed Length Position
1999 - Chevrolet K1500 78.0 Rear
Dorman
2007 Chevrolet Silverado 1500 Classic Leaf Spring - Rear Dorman

P311-0AB2F7F    929-115  New

15246971

Qty:
$267.38
Dorman Leaf Spring  Rear
  • Product Attributes:
    • Color/Finish: Black
    • End 1 Attachment Type: Berlin Eye
    • End 2 Attachment Type: Berlin Eye
    • Leaf Quantity: 3 (2/1)
    • Leaf Spring Arc Length: 7.5"
    • Leaf Width: 2.5 In.
    • Length A: 32"
    • Length B: 32"
    • Maximum Drop: 0
    • Maximum Lift Height: 0
    • Pack Thickness: 1.5 In.
    • SRI#: 22-1503
    • Suspension Grade Type: Standard
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Dorman
Position: Rear
Additional Fitment Information:
Vehicle Submodel Body Drive Type Bed Length Position
2007 - Chevrolet Silverado 1500 Classic LS Standard Cab Pickup RWD 96.0 Rear
Dorman
2000 Chevrolet K2500 Leaf Spring - Rear Dorman

P311-014D4F4    929-108  New

15604165 , 15620358 , 15659740 , 15529565 , 15976726 , 15529528

Qty:
$369.01
Dorman Leaf Spring  Rear
  • 6 Leaf
  • Product Attributes:
    • Color/Finish: Black
    • End 1 Attachment Type: Berlin Eye
    • End 2 Attachment Type: Berlin Eye
    • Leaf Quantity: 6(5/1)
    • Leaf Spring Arc Length: 6-7/16"
    • Leaf Width: 2.5 In.
    • Length A: 32"
    • Length B: 32"
    • Maximum Drop: 0
    • Maximum Lift Height: 0
    • Pack Thickness: 2.82 In.
    • SRI#: 22-979
    • Suspension Grade Type: Standard
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Dorman
Position: Rear
Additional Fitment Information:
Vehicle Position
2000 - Chevrolet K2500 Rear
Dorman
1998 Chevrolet K3500 Leaf Spring - Rear Dorman

P311-014D4F4    929-108  New

15604165 , 15620358 , 15659740 , 15529565 , 15976726 , 15529528

Qty:
$369.01
Dorman Leaf Spring  Rear
  • Single Rear Wheel (SRW)
  • Product Attributes:
    • Color/Finish: Black
    • End 1 Attachment Type: Berlin Eye
    • End 2 Attachment Type: Berlin Eye
    • Leaf Quantity: 6(5/1)
    • Leaf Spring Arc Length: 6-7/16"
    • Leaf Width: 2.5 In.
    • Length A: 32"
    • Length B: 32"
    • Maximum Drop: 0
    • Maximum Lift Height: 0
    • Pack Thickness: 2.82 In.
    • SRI#: 22-979
    • Suspension Grade Type: Standard
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Dorman
Position: Rear
Additional Fitment Information:
Vehicle Body Position
1998 - Chevrolet K3500 Extended Cab Pickup Rear
Dorman
2006 Chevrolet Avalanche 2500 Leaf Spring - Rear Dorman

P311-44FFBF2    929-120  New

15073076

Qty:
$257.67
Dorman Leaf Spring  Rear
  • Product Attributes:
    • Color/Finish: Black
    • End 1 Attachment Type: Berlin Eye
    • End 2 Attachment Type: Berlin Eye
    • Leaf Quantity: 4 (3/1)
    • Leaf Spring Arc Length: 5.25"
    • Leaf Width: 2.5 In.
    • Length A: 30"
    • Length B: 30"
    • Maximum Drop: 0
    • Maximum Lift Height: 0
    • Pack Thickness: 2.28 In.
    • SRI#: 22-1315
    • Suspension Grade Type: Standard
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Dorman
Position: Rear
Additional Fitment Information:
Vehicle Position
2006 - Chevrolet Avalanche 2500 Rear
Dorman
1994 Chevrolet S10 Blazer Leaf Spring - Rear Dorman

P311-3ADC098    929-105  New

14060056

Qty:
$149.94
Dorman Leaf Spring  Rear
  • 4 Leaf
  • Product Attributes:
    • Color/Finish: Black
    • End 1 Attachment Type: Berlin Eye
    • End 2 Attachment Type: Berlin Eye
    • Leaf Quantity: 4 (3/1)
    • Leaf Spring Arc Length: 7.5"
    • Leaf Width: 2.5 In.
    • Length A: 26"
    • Length B: 28"
    • Maximum Drop: 0
    • Maximum Lift Height: 0
    • Pack Thickness: 1.5 In.
    • SRI#: 22-687
    • Suspension Grade Type: Standard
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Dorman
Position: Rear
Additional Fitment Information:
Vehicle Position
1994 - Chevrolet S10 Blazer Rear
Dorman
1998 Chevrolet Express 1500 Leaf Spring - Rear Left Dorman

P311-150EFAF    929-110  New

15225236

Qty:
Dorman Leaf Spring  Rear Left
  • 7,100 Lb. GVW
  • Product Attributes:
    • Color/Finish: Black
    • End 1 Attachment Type: Berlin Eye
    • End 2 Attachment Type: Berlin Eye
    • Leaf Spring Arc Length: 5-7/8"
    • Leaf Width: 2.52
    • Length A: 30"
    • Length B: 30"
    • Maximum Drop: 0
    • Maximum Lift Height: 0
    • SRI#: 22-1475
    • Suspension Grade Type: Standard
Brand: Dorman
Position: Rear Left
Additional Fitment Information:
Vehicle Position
1998 - Chevrolet Express 1500 Rear Left
Dorman
1998 Chevrolet Express 1500 Leaf Spring - Rear Right Dorman

P311-150EFAF    929-110  New

15225236

Qty:
Dorman Leaf Spring  Rear Right
  • 7,100 Lb. GVW
  • Product Attributes:
    • Color/Finish: Black
    • End 1 Attachment Type: Berlin Eye
    • End 2 Attachment Type: Berlin Eye
    • Leaf Spring Arc Length: 5-7/8"
    • Leaf Width: 2.52
    • Length A: 30"
    • Length B: 30"
    • Maximum Drop: 0
    • Maximum Lift Height: 0
    • SRI#: 22-1475
    • Suspension Grade Type: Standard
Brand: Dorman
Position: Rear Right
Additional Fitment Information:
Vehicle Position
1998 - Chevrolet Express 1500 Rear Right
Dorman
2007 Chevrolet Express 1500 Leaf Spring - Rear Left Dorman

P311-150EFAF    929-110  New

15225236

Qty:
Dorman Leaf Spring  Rear Left
  • 7,200 Lb. GVW
  • Product Attributes:
    • Color/Finish: Black
    • End 1 Attachment Type: Berlin Eye
    • End 2 Attachment Type: Berlin Eye
    • Leaf Spring Arc Length: 5-7/8"
    • Leaf Width: 2.52
    • Length A: 30"
    • Length B: 30"
    • Maximum Drop: 0
    • Maximum Lift Height: 0
    • SRI#: 22-1475
    • Suspension Grade Type: Standard
Brand: Dorman
Position: Rear Left
Additional Fitment Information:
Vehicle Position
2007 - Chevrolet Express 1500 Rear Left
Dorman
2007 Chevrolet Express 1500 Leaf Spring - Rear Right Dorman

P311-150EFAF    929-110  New

15225236

Qty:
Dorman Leaf Spring  Rear Right
  • 7,200 Lb. GVW
  • Product Attributes:
    • Color/Finish: Black
    • End 1 Attachment Type: Berlin Eye
    • End 2 Attachment Type: Berlin Eye
    • Leaf Spring Arc Length: 5-7/8"
    • Leaf Width: 2.52
    • Length A: 30"
    • Length B: 30"
    • Maximum Drop: 0
    • Maximum Lift Height: 0
    • SRI#: 22-1475
    • Suspension Grade Type: Standard
Brand: Dorman
Position: Rear Right
Additional Fitment Information:
Vehicle Position
2007 - Chevrolet Express 1500 Rear Right
Dorman
1998 Chevrolet K2500 Leaf Spring - Rear Dorman

P311-014D4F4    929-108  New

15604165 , 15620358 , 15659740 , 15529565 , 15976726 , 15529528

Qty:
$369.01
Dorman Leaf Spring  Rear
  • 8,600 Lb. GVW 6 Leaf wo/RPO Code 5J9 (Rear Auxiliary Assist Spring)
  • Product Attributes:
    • Color/Finish: Black
    • End 1 Attachment Type: Berlin Eye
    • End 2 Attachment Type: Berlin Eye
    • Leaf Quantity: 6(5/1)
    • Leaf Spring Arc Length: 6-7/16"
    • Leaf Width: 2.5 In.
    • Length A: 32"
    • Length B: 32"
    • Maximum Drop: 0
    • Maximum Lift Height: 0
    • Pack Thickness: 2.82 In.
    • SRI#: 22-979
    • Suspension Grade Type: Standard
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Dorman
Position: Rear
Additional Fitment Information:
Vehicle Body Position
1998 - Chevrolet K2500 Extended Cab Pickup Rear
Dorman
1998 Chevrolet K3500 Leaf Spring - Rear Dorman

P311-014D4F4    929-108  New

15604165 , 15620358 , 15659740 , 15529565 , 15976726 , 15529528

Qty:
$369.01
Dorman Leaf Spring  Rear
  • Single Rear Wheel (SRW) wo/RPO Code Z81 (Camper Equipment)
  • Product Attributes:
    • Color/Finish: Black
    • End 1 Attachment Type: Berlin Eye
    • End 2 Attachment Type: Berlin Eye
    • Leaf Quantity: 6(5/1)
    • Leaf Spring Arc Length: 6-7/16"
    • Leaf Width: 2.5 In.
    • Length A: 32"
    • Length B: 32"
    • Maximum Drop: 0
    • Maximum Lift Height: 0
    • Pack Thickness: 2.82 In.
    • SRI#: 22-979
    • Suspension Grade Type: Standard
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Dorman
Position: Rear
Additional Fitment Information:
Vehicle Body Position
1998 - Chevrolet K3500 Crew Cab Pickup Rear
Dorman
2000 Chevrolet C3500HD Leaf Spring - Rear Dorman

P311-014D4F4    929-108  New

15604165 , 15620358 , 15659740 , 15529565 , 15976726 , 15529528

Qty:
$369.01
Dorman Leaf Spring  Rear
  • wo/RPO Code 5J9 (Rear Auxiliary Assist Spring) 9,000 to 9,200 Lb. GVW
  • Product Attributes:
    • Color/Finish: Black
    • End 1 Attachment Type: Berlin Eye
    • End 2 Attachment Type: Berlin Eye
    • Leaf Quantity: 6(5/1)
    • Leaf Spring Arc Length: 6-7/16"
    • Leaf Width: 2.5 In.
    • Length A: 32"
    • Length B: 32"
    • Maximum Drop: 0
    • Maximum Lift Height: 0
    • Pack Thickness: 2.82 In.
    • SRI#: 22-979
    • Suspension Grade Type: Standard
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Dorman
Position: Rear
Additional Fitment Information:
Vehicle Body Wheel FeedBase Position
2000 - Chevrolet C3500HD Cab & Chassis - Long Conventional 135.5 Rear
Dorman
1996 Chevrolet C3500HD Leaf Spring - Rear Dorman

P311-014D4F4    929-108  New

15604165 , 15620358 , 15659740 , 15529565 , 15976726 , 15529528

Qty:
$369.01
Dorman Leaf Spring  Rear
  • Single Rear Wheel (SRW) 6 Leaf wo/RPO Code 5J9 (Rear Auxiliary Assist Spring) To 9,200 Lb. GVW
  • Product Attributes:
    • Color/Finish: Black
    • End 1 Attachment Type: Berlin Eye
    • End 2 Attachment Type: Berlin Eye
    • Leaf Quantity: 6(5/1)
    • Leaf Spring Arc Length: 6-7/16"
    • Leaf Width: 2.5 In.
    • Length A: 32"
    • Length B: 32"
    • Maximum Drop: 0
    • Maximum Lift Height: 0
    • Pack Thickness: 2.82 In.
    • SRI#: 22-979
    • Suspension Grade Type: Standard
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Dorman
Position: Rear
Additional Fitment Information:
Vehicle Body Wheel FeedBase Position
1996 - Chevrolet C3500HD Cab & Chassis - Long Conventional 159.5 Rear

Latest Chevrolet Repair and Leaf Spring Installation Advice

CarJunky AutoAdvice

03 Silverado hard shifting

Showing 5 out of 9 Posts | Show 4 Hidden Posts
Question From codylk92 on 03 Silverado hard shifting

2003
Chevrolet
Silverado 1500 extended cab z71 4wd
5.3l v8
150k

My truck is jerking from 1st to 2nd usually soft but sometimes jerks. Then 2nd to 3rd gets worse sometimes is easy but mostly a harder jerk and a small clunk. Finally from 3rd to 4th rarely soft usually a hard kick and loud clunk and all this are coming from the rear end. Also it sometimes whines when you first put it in drive but almost always does it when in reverse or turning hard. Lastly when I slow down for a turn if I dont dead stop and start turning and accelerate through the turn it will jerk kick and clunk in the year and bounce around and the back of the truck likes to sway like its not aligned properly and throw the truck around. I was wondering if this is a transmission issue or is my rear end starting to go out. I tried to be as detailed as possible thank you for your time. There is a very small leak of teansmission fluid and the ban has a long dented in scratch as well and a hole in the flexplate dust cover that I coveres up with duct tape until my new cover arrives.

Response From Tom Greenleaf

There's a list of things to check.
U-Joints, strut bushings for rear axle and leaf springs if it uses leaf springs. If leaf style they can make noise all by themselves, OE should have had plastic silencers that are gone now or bushings. More bushings for coil type springs and supports bars.
Sway bars not as likely but check all anyway.
Turning is both shift of weight and changes of load on these things and bearing too. Need to check all that is rubber isolated to dampen noises and smooth things out down to mounts for engine and other drivetrain items,


T

Response From kev2

to expand on toms idea-
start with fluid level and condition check then
with a helper - have them start vehicle, position yourself so you can observe the drive shaft- SAFELY - with their foot firmly on brake have them shift to D observe the drive shaft - then with foot firmly on brake shift to R - you can repeat as necessary - the action of each joint should be smooth - a jerk form one to another would be noticable and a further inspection.

1993 - this should be a 4L60E transmission- check codes it is way to easy to overlook.

Response From codylk92

Well ive tried everything and checked everything and nothing showed any sign of being bad now I noticed a bird chirping noise and it sounds like something is spinning faster then normal when it goes from 1st to 2nd

Response From Tom Greenleaf

? Tried to find what rear end suspension style was for this and shows this so far............

You said it at least feels like it's shifting like out of alignment! That and something happened to break the dust shield so what happened to cause this at all?


A drip/leak involved also so check and know fluids are full, find and fix that leak. The mechanical feel of this shifting, noise(s) suggests real failure of parts held properly in place.


Checking for something broken or worn enough to really move when stresses are on parts or entire assemblies will be hard to observe alone. The test DS suggested of what I call brake standing might show something move that is excessive.


Exactly how any of this really makes it feel like a hard shift may be two things going on not both the same problem?


At a minimum I'd support entire rear axle and push, pull and pry carefully for any motion out of ordinary or parts that show any unusual evidence. Sometimes U-Joints make chirps but are tight unless removed from vehicle and then it's obvious. That shouldn't feel like a "sway" IMO but it this sustained underside damage all bets off and everything needs checking as I think this is damage more that wear for some of the trouble?


T

Response From codylk92

Well at a second look with my uncle whos not a mechanic but worked on cars for years. My transmission mount and transfer case mount is going bad because it moves a lot. The bearing at the end of the transmission as it goes to the driveshaft is lose and the u joint at the spot is starting to go bad all my shocks need replaced and my back leaf springs need some work. And the seal at the tranny pan is bad but the levels are good and I got the truck with the broken flexplate cover I just noticed it when I went to inspect everything. Now he said thete could be to much fluid from previous owners over compensating for the small leak it sounds like my gears are floating. And it makes a horrible whine in reverse but he said all that could cause it once I fix that im hoping everything straightens out hut is there anything else I should keep in mind im chaing all the fluids when I do this to the tranny fluid transfer case fluid and rear differential fluid to but other then that anything I should keep eyes on.

Response From Tom Greenleaf Top Rated Answer

OK - Before you begin partial fixes I really suggest and professional check out and itemized list of what now I'll say is damaged or abused items or just some hard use possible?


Just look at the diagram up few posts of the leaf springs. Only the top spring is connected at both ends where bushings are, the back can swing a bit for load reason. That style also controls the left to right motion of the rear end also holding wheels in place such that additional struts are not required for most. Whatever you found wrong with the springs once was fixable (getting old here) and even re-bent or a leaf added and so on. Ask around depending on what is wrong.


Fluid leaks in trans/gearcases etc., if overfilled to compensate could make what's left bubble up, cavatate or who knows? Not the approach for a fix.


Rear bearing to driveshaft bearing? Not so common and some plain up down motion may be normal on what is probably a splined shaft that can slip? Different ways so don't know for sure. If a real bearing issue at the outlet extension of trans you could be in for some real work and bucks - the reason I seriously think a good general professional should be looking at this as said above.


When you mentioned it could or felt like it could sway it's now on the safety issue list so not my recommendation to drive this anymore. If rear axle broke loose from a spring you would lose control of the vehicle never mind if it can move that's unacceptable of course.


T

Response From codylk92

Ive been thinking I should take it to a professional most likely a chevy dealership due to the long possibilities of what could be wrong i felt it would be best if I did and just paid hoped it was something minor. Because as I said it just does so many different things and makes so many noises and feels like its dragging or somethings pulling me back. Now the shocks need replaced and I was gonna add to the leaf springs just to give some life back because the truck is sagging a little and more one one side then the other

Response From Tom Greenleaf

! Truck is sagging on one side!! There's more wrong then you can wait for. Reason for suggesting pro help is my guess is YOU can't quickly put this thing overhead, look, pry on things with plenty of light as fast as someone who does lots of stuff/work on vehicles should be able to and know what is a real problem or what isn't.


Shocks and such are really just on the maintenance list much like needing new tires but can cause some wild behavior in some if no dampening power or totally swinging in air broken off you'd know.


Ask when and if possible with a good check if you can observe and discuss it while doing it. That would be shop rules place by place. What you might want to do and what would be too much of a hassle or tools too difficult to rent or buy for a one time thing.


Knowing is better than not,


T


Short bucks to find out just where you stand with this

2005/Chevrolet/Trailblazer Snapped rear lower trailing arm.

Showing 2 out of 7 Posts | Show 5 Hidden Posts
Question From jginsing on 2005/Chevrolet/Trailblazer Snapped rear lower trailing arm.

Hi, we heard a clanking in the back of our car so we brought it in for service. Seems that right rear lower trailing (trailering?) arm was snapped in two.
1. Is it safe to drive in this condition?
2. It seems this is not under my 3 year warranty because they claim I ran over something, so it's collision related. Does this sound right? I was never in an accident. Can I fight this somehow?
3. Does $250plus tax sound right to install the new part?

Thanks in advance!

Response From Tom Greenleaf

Not safe to drive!!!! These things should bend not snap so I can't even guess what happened. Keep the old part-now parts as it could show evidence of a defect. $250 is fair to fix that and should include a 4 wheel alignment.

I've NEVER seen one just snap but that doesn't mean it couldn't and I'm confused as to what happened to cause that. Was it jacked up by that by mistake and bent first by any chance??

T

Response From jginsing

Yes, the mechanic at the dealer seemed a bit surprised about that too. He claims I must have run over something, but I just do normal street driving, and I would imagine a SUV could handle a pothole or something. I've certainly never got into an actual collision with anyone. How high off the ground is the part?

What would be my recourse to fight paying for this?

Thanks so much for your help

Response From Tom Greenleaf

Just suggest for now: Get it done for the silly $250 - write on the repair order that this will be disputed upon some research and you want the parts back. If you don't need the car for some time leave it and fight with it inoperative but that's a hassle for most folks too.

There's a few us here. I'm just one and others may have seen this with no particular abuse. I've only seen things like this at all with wild car wrecks and some altered vehicle use with full abuse on purpose. If it somehow was bent by something unseen or by accident for jacking it up that would not be a defect. I have seen cast parts with air bubbles in the metal that failed....... engine blocks, u-joints even right away, and assorted CAST parts. When metal is made to start with it is checked and graded for the use it will get. Stuff happens there too. I'm not a manufacturing expert but I think just from looking at those type parts that they must start as flat stock metal and are bent and cut to make the part. These trailing arms are (just having glanced at many over the years) one peice of metal and not welded or bolted,riveted together anywhere. The rubber bushing ends are pressed in and a know strengh bolt and nut secure them. Here, I've seen rust play an issue with all kinds of parts but not in just a few years as this vehicle is.

Keep records on this and who said what. I wonder if there is unseen damage which should show up with a four wheel alignment and then you could be talking collision damage and insurance involvement.

Whatever is said here is really no good as we are not looking at this. Perhaps I've confused the part that broke. If this is just a stabilizer pin that looks like a long bolt with rubber isolators at each end those could break and yes I've done several but on front pins not the rear. Good luck,

T

Response From Guest

Wow, thanks so much for the info Tom.

The exact description the mechanic used was the "right rear lower trailering arm which connects the rear differential to the body". Does this sound like the part we are talking about?

In general - if the part was faulty, and I keep it as evidence, who do I fight with - the dealer? Or do I contact Chevrolet?

Response From Tom Greenleaf Top Rated Answer

Ok: So it's not just those pins - you could do without those entirely. The bar that hold rear axle and the controls arms if independant from moving forward or rear like I think you are talking about are mandatory! There would be another for side to side control. I just surfed the whole web for an exact good pic of what GM used for this.

They can be rounded steel bars also but the same thing - they shouldn't just up and snap! These bars are stong! I find the weaker link to be the bushings which could wear out, or perhaps welded brackets for this stuff on control arms, axle itself, or the body/frame of vehicle.

If this vehicle uses "leaf" springs they can do all the work for front to rear forces and side to side but I don't know if this model did that. That's usually super HD stuff for later vehicles that would carry heavy loads.

While I'm here........ the bushing of parts like this usually have a barbed metal inner sleeve where a bolt goes thru. Those must be tighten up in the same position the vehicle would be sitting on the ground with wheel taking the weight or the torque of the rubber can alter ride height as the rubber is vulcanized to the metal parts. Not this but for some front end parts with replaceable bushings like those (idler arms for example) can cause the car to pull to one side.

I was a tad surprised at that estimate from a dealer for the job!

T

Response From Tom Greenleaf


These are typical stabilizer/sway bar pins,

T