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Pickups Chevrolet Colorado and GMC Canyon Chevy Colorado and GMC Canyon Engine Problems
397 messages, Last post on Nov 14, 2009 at 8:36 AM
You are in the Chevrolet Colorado and GMC Canyon Forum. Your Host is kcram
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Replying to: leadfoot4 (Sep 27, 2008 3:22 am) GM agreed with the dealer that the alignment should solve the problem, and that its my fault becasue I didn't rotate the second tires every 6K miles. They really haven't agreed to do anything about this, it seems its normal. I have been rotating at 6K, but there is no way this won't kill the tires early they are bald on the inside in 20K miles. I will have to take it back again, but I'm not anxious to waste another $100. Anyone had this problem successfully fixed? |
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Replying to: shareholder (Oct 24, 2008 11:18 am) Date: July 22, 2005 TECHNICAL Subject: Premature Front Tire Wear (Set Front Z Height, Toe and Rotate or Replace Front Tires) Models: 2004-2005 Chevrolet Colorado 2004-2005 GMC Canyon Built Prior to November 18, 2004 Supercede: This bulletin is being revised to add a build date to the Models. Please discard Corporate Bulletin Number 04-03-07-004A (Section 03 - Suspension). Condition Some customers may comment on excessive front tire wear on the inside edge of the tire. Cause On four wheel drive (4WD) models, an incorrect Z height trim setting, resulting in an excessive front sum toe-out of specification, may be the cause. On two wheel drive (2WD) models, an incorrect front sum toe setting may be the cause. Correction Follow the procedure below for diagnosis and repair of this condition. Important: Prior to performing any tire repairs, permanently record the current tire inflation on the repair order. 1. Permanently record the tire pressure settings on the repair order. 2. Inspect the inside edge of the front tires for excessive wear. ^ If the inner front edge of the tires are worn to the wear indicators, replace the front tires and continue with the next step. - For repair information, refer to Tire Mounting and Dismounting. - For tire warranty information in the U.S., refer to Warranty Administration - GM New Vehicle Tire Warranty Program Bulletin Number 00-03-10-003I, dated June 2005. - For tire warranty information in Canada, refer to Warranty Administration - GM of Canada New Vehicle Limited Warranty Tire Program Bulletin Number 01-03-10-003B, dated April 2004. ^ If the inner front edge of the tires are not worn to the wear indicators, rotate the tires and continue with the next step. Important: Prior to performing any additional repairs, permanently record the following information on the repair order. ^ Z Height ^ Alignment Measurements ^ Fuel Level 3. Set the inflation per the vehicle tire placard located on the driver's door. Important: On 2WD models, DO NOT replace the front coil spring(s) or add insulators to compensate for a low trim Z height. A lower trim Z height reading is acceptable as long as it is within specification. Refer to Trim Height Inspection Procedure. 4. Check and adjust the vehicle Z height. Important: ON 2WD models, ONLY replace the front coil spring(s) if the trim Z height is too low and out of specification. 5. ON 2WD models, ONLY replace the front coil spring(s) if the trim Z height is too low and out of specification. 6. Check and adjust the vehicle front toe to 0.00°+/- 0.20°. 7. Road test the vehicle in order to verify that the steering wheel is straight.
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Replying to: shareholder (Oct 24, 2008 11:18 am) Many of the newer alignment machines have the "red" (out of spec) and "green" (within spec) scales built into their software, and many of the younger techs simply get the machine's screen "in the green", and proclaim that you're "good". They don't yet have the understanding or experience to diagnose problems accurately, and formulate a "custom" solution to your problem. Also, I'm sure that GM exerts a certain amount of leverage on them to adjust "to the green settings" regardless of what the tire wear is saying. Well, "good" is still wearing out your tires, so you need an "old fashioned" wheel alignment man that will read the problem, and tweak the specs a bit, to fix the situation. It would appear to me that if you're wearing the insides of the tires, you have either A) too much negative camber; B) too much toe-out; or C) a little of both. Maybe, in order to fix your particular wear problem, your truck needs to be a little in the "red" zone, and you need a front end man that know suspensions, and not just how to turn the adjustment bolts to get it in the "green". To be honest with you, I DO rotate my tires, but I sincerely believe it isn't the cure for everything. Look at how many cars today have staggered tire sizes, directional tread patterns, or both. Can't rotate the tires on a car like that.....
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Replying to: Mr_Shiftright (Oct 24, 2008 1:21 pm) When I first took delivery of my Canyon, I picked it up in the evening, and it was snowing pretty heavily. Therefore, I basically drove straight home, about 2-2.5 miles, and didn't realy get a feel how it handled. The next day, while driving to work, I was shocked! The truck was all over the road. I have a general distrust of dealers, so I took it to my trusted front end man a couple of days later, to have the alignment checked, as I felt it HAD to be off....way off! Long story short, the alignment was OK, we bumped the air pressure 5-6 lbs. and the truck was somewhat drivable. A few days later, I put 4 Blizzaks on the truk, as it was primarily my winter vehicle, and it was like a different truck altogether. The OE General tires were SO BAD, that a good set of snow tires made it handle 100% better! Anyway, do you happen to know the trim height spec? Just out of curiousity, I'd like to check mine. (It's a 4WD, Z-71) Thanks! As a side note, I mentioned this in another Canyon/Colorado discussion...I switched to 16" rims and 245/75/16 tires, as well as adding a rear sway bay. It handles quite well now, for a 4x4, that is.....
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Replying to: donnyr (Jun 08, 2008 10:04 am)
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Replying to: leadfoot4 (Oct 24, 2008 3:05 pm) |
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I have a 08 colorado 5cyl 4x4. the engine seems to not shift from low to drive. the engine is very loud and truck will only creep. At times it seems to drop to neutral. All this happens at start up before the engine warms up. It will be fine the rest of the day. I had it in to the dealer twrice, but they say it is normal or that the computer says it is ok. 
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Hi! Have you tried with Mobile 1 5-30W fully synthetic oil. My noise disapeared!
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Replying to: jeepfan6 (Nov 23, 2008 7:05 pm) |
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Replying to: tobolob (Nov 14, 2008 10:20 am)
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