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Pontiac GTO Strut Problems
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Comments
Also, there is a 95% chance your upper strut bushing is collapsed. I think it is due to the GM putting a spring limiter on the front coil springs when they ship them from overseas. Then they chain down the GTO. This puts long term very serious upward tension on the strut bushing, to the point where I have seen them tear. If the center portion of the strut bushing is equal to or higher than the outer part, then it is collapsed and damaged. What can this do? This can cause your front end to sag and eventually create noises by allowing metal/metal contact inside the strut tower in the fender. I also believe when the strut bushing collapses enough, camber and tow will change, thus you may have accelerated inside tread tire wear. We have seen this especially on vehicles with over 15k miles on them
Thanks for the info especially how to find build date info!
plist
I am looking at used 05s, better prices, and better cars, the late 06 models they started to cheap out on things as the factory ran low on parts.
-mike
I'm looking at paying about $23k for an 05 6mt with 10-15k miles.
The late 06 models can't plug-play the guage upgrade pack because they ran out of the P-P harnesses at the factory.
-mike
-mike
The GTO got several small revisions for '06 (the smoker's package (extra outlet/ashtray) as standard, the door lock button, the revised seat motors and taillamps, for example).
Two issues that I know of that are different on some '06's:
1) Monroe Australia made a change from Shell to another supplier for strut oil, with disastrous results (GM-Holden knew nothing of this running change, until struts started failing left and right - pardon the pun).
2) They eliminated the plug in the dash for the accessory gauge pod (since our U.S. spec GTO's don't get this standard, unlike the Monaro and the HSV/Vauxhall/Lumina variants).
I wouldn't let this stop me from getting an '06 (if I had the coin, I'd be buying a Brazen Orange '06 and putting it "under glass" for a few years)...
--Robert
-mike
-mike
HSV models that came with the LS2, plus the GTO and the Vauxhall Monaro (unsure about Lumina SS production) continued on.
Holden has subsequently introduced the VE Commodore family of vehicles on a new chassis, but they didn't start production until July/August, and there is no VE ute at present/the Ute still being sold in Oz is on the same chassis as the GTO/Monaro/old Commodore/et. al.
-mike
or maybe the camber got squished negative when the cars were battened down for N months on their journey aboard the great monaro-gto-transport-to-USA-ship, with 60 psi in the tires and suspension-spacers/chocks.? the strut failure issue was apparently a batch with wrong sort of grease.
mike
1. have someone drive your GTO 5-7 mph, and stand outside the front end and when they are in front of you, have them jam on the brakes. Notice if you have any significant front wheel kick back. My guess is that you will have 1-2 inches of wheel kick back. This changes toe, and camber a lot can can cause cupping
2. next with the wheels on the ground, you need to check to see if your front strut bushings are collapsed. If you are mechanically inclined, with a 24MM socket, remove theplastic nut cover, then the big nut, then the strut plate on top of the strut tower. You can now access the lower strut nut. Observe if the strut shaft is cnetered in the bushing and observe if the inner strut bushing center rubber is sitting higher than the outer section. The strut bushings are being damaged, like the rear collapsing springs, due to the shipping process of getting the GTO to the states. Re-assemble carefully. I have pictures on my web site on this topic that shows the bad bushings. Also before you dissassewmble them, you can do 1 more test: with the 24mm socket attached with a breaker bar. rotate the breaker bar in a clockwise position 90 degrees. Ther must be 100% firm spring back.
If you or anyone else needs additional info on this, you can email me at
michael.white24@comcast.net. I have solutions for both of these concerns and all concerns related to the GTO suspension issues
thanks
mike
dms
Thanks for your advice on what to look for.
What is the address of the website you refer to?
Chris
Re: weak fender welds, that's a new one to me.
Neither of these issues relate to the 2006 GTO defective strut issues, so follow-ups should probably be in the main GTO discussion section...
Looks like the NHTSA isn't doing anything about the camber issues. Stinks for some GTO owners.
It's the owners responsibility to keep an eye on tire wear and to do the right thing if abnormal wear occurs. Kudos to Pontiac for stepping up to pay for re-alignment, even for owners whose cars are way outside the 12,000 mile new-car-warranty.
anyway, enough with the pampering - maybe get 4 snow tirse on that bad-boy and have some fun with it this winter.
Here you will see lots of bad strut bushes. they can be checked in the car. email me if you are interested. Also one thing that most dealerships do not do, becaqsue they do not look up the R&R procedures, is that the bolts and nuts that connect the strut to the knuckle and the nut at the top of the strut, are all TTY bolts and are a 1 time use only. make sure they replace them. You should see this on your warranty invoice
mike
dms
I would not use the GM strut mount bushes, They are too weak. and will collapse fairly easily. the issues of strut rub should be resolved afer replacing the strut bushes, and bearings. then per GM, align the front end with less negative cambers.
Also, you should check ride height issues. Most of the OEM GTO springs are in various stages of collapsing. Also you should drive your GTO 5-10mph, then jham on the brakes. Observe how much front wheel kickback that you have. You will probably find that you have approx 1 to 2 inches with the OEM radius rod bushes.
If you need assistance email me. If you want to see pictures of good/bad strut bushes, email me and I will send you a link
michael.white24@comcast.net
dms
Thanks for all the info on GTO suspension. Does the strut wear problem exist on the 06 GTO also and if so how do I check it? I have noticed inside front tire wear but don't know if it is the negative camber (normal) or something else 15000 + miles OEM tires. Have had problems with forum postings before so I would appreciate a mail direct to my email at david.bley1@cox.net in addition to forum response if it is permitted.
mike
(not sure if its for the same symptom you are reporting , crystal187, but sounds similar.)
Look at the caddy CTS....what a string of design blunders in everything from fuel systems to rear ends and it took forever to get a recall on the rear gears issue.
Now that Pontiac no longer exits the CLASS ACTION suit filed on behalf of the thousands who bought GTOs and experienced tire shredding, has been dropped. When Pontiac filed bankruptcy, GM was off the hook.
I never see too much posted about this issue so it is hard to know how many have been affected by it..or even KNOW about it, until a tire blows or they go for a routine rotation, to be told their tires are chewed and ready to pop.
I am curious..what are others experiencing? My car only had 16k miles on it when I bought it so this car wasn't even a daily driver.. I ultimately inherited what will eventually happen and would have probably happened sooner if the owner had driven the car regularly.
Just wondering what the dealers are saying when you take the car in.
mike
dms
I understand GM issued a TSB about this issue along with revised alignment specs. They were able to fix it on my GTO via proper alignment at 15K, and a side-to-side tire-rotation. Factory tires lasted until 25k after that.
From 15K->70k miles, inner-edge tire-wear has not been an issue and the car reliably needs new tires every 25K.
The initial symptom was horrible inner-edge tire wear, belts almost visible but not quite. I noticed it at 15k miles.
Since the car had more than 12k miles, I paid for that work at first. Later I got a letter from Pontiac in which they volunteered/insisted that they reimburse me 100%.
So from my viewpoint, GM did "step up".
And I do plan to have pedders suspension parts installed at the next opportunity!
Please send me this information on the struts and coils. I went to a local dealer here in Houston and they acted like they had never heard of the issue and wanted 199. to "check it out". I told them to go pound sand. Now i have to drive 25 miles to get another dealer who originally sold the car to take some responsibility. This car is starting to be a real pain in the a--
The bulletin that was issued to owners must not have stated the severity of the problem because as I understand what the dealer who sold me the car to say, the car had a corrective alignment and something done to the rotors ?? That was at 389 miles after the purchase of this car in 04. It has 18k miles on it now.
There is no appearance of unusual wear on the tires and they are the originals I think. I am sure they have been rotated in this time but the fronts have low tread.
With my hand, I do a check n the inside of the tire and feel no evidence of rubbing.
What I am wondering is, aside of the bushings in the strut, if just replacing the strut with something better (is there such a thing?) and changing the FRONT tires to a 235 (or just this alone) be a remedy??
http://rides.webshots.com/album/520157103jcDVac
Please do not do the 235's The reason is Pontiac went to the 245 because it is heavier than the Monaro in Au, and needs to extra load support of a 245.
Align issues are totally resolveable. You just need to install some non GM stuff. Now I will also tell you, with a 2004 GTO, front struts are TOTALLY gone by 50k. this info comes from the Monroe, who makes your struts.
mike
dms
If I had the struts replaced, (Monroe) would the new bushings and bearings be sturdy stuff or do I still need to get the complete Pedders package? And if so, What will that cost me?
How important is it that I do the coils? I hadn't even heard about that problem.
The alignment was what GM did for the original owner at 389 miles that Elias mentioned they did for him. It was teir answer to the strut rub. Now, I dont show any wear and I cant see any evidence of my tires rubbing the strut but honestly, did an alignment really do anything to correct that issue??
I saw your pictures. Its like seeing crime scene photos. Just tell me what I should do step by step -- or what I should tell the dealer svc word for word to get this issue resolved. I'm freaked about driving the car now and thought that because i bought a car with low miles that looked new, I wouldn't have to spend a lot of money.
I guess I'd better wait to buy tires.