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Chevy Suburban Maintenance and Repair

511 messages,  Last post on Nov 24, 2009 at 5:42 PM

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What is this discussion about? Chevrolet Suburban, Chevrolet Tahoe, Chevrolet Tahoe Limited/Z71, SUV

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#453 of 511 Re: 1990 chevrolet engine problems [jeffrey9] by nash8 Dec 13, 2008 (6:48 am)
Replying to: jeffrey9 (Dec 12, 2008 8:04 pm) Except for the year, sounds just like mine! Was recently informed by a pretty reliable source that it could be the thermo-sensor (?) in the transmission. Going to check it out as soon as I can afford it. Good luck!
#454 of 511 My 2004 Suburban Z71 by bigd35 Dec 14, 2008 (12:22 pm)
Lots of issues on this one. First off, I am dealing with the speedometer issue that I now realize is a major concern for several people. Second, I have a fuse that blows often. It is a 50 amp that controls the heated seats, power seats and passenger front and back windows. Third, my driver side rear door will not unlock. I can't even unlock it manually. It made some squealing noises prior to it breaking completely. Last issue, I am locked in 4WD HI and can not switch it back to 2WD. This has been an issue since I purchased it new in 2004.   Any thoughts on what I should expect at the dealership?? Everything has gone downhill on this within the past 60 days. Replies to this message: kiawah (Dec 14, 2008 7:15 pm) bigd35 (Feb 21, 2009 3:20 pm)
#455 of 511 Re: My 2004 Suburban Z71 [bigd35] by kiawah Dec 14, 2008 (7:15 pm)
Replying to: bigd35 (Dec 14, 2008 12:22 pm) If they've let you live with being stuck in 4WD since the vehicle was new, and haven't fixed it.....I would expect nothing but very poor service from that dealership.   Why have you let this obvious defect go so long? Isn't it out of warranty now?   Regarding the 50 Amp fuse........you'll need to do some diagnosing to figure out what is shorting out the fuse. I'd disconnect all of the seats first. If it stops blowing, then start connecting back up the seats one by one until you find where the problem is.   You'll need to take the inside door panel apart to get at the locking/unlocking mechanism. Replies to this message: bigd35 (Feb 21, 2009 3:20 pm)
#456 of 511 Re: 1990 chevrolet engine problems [jeffrey9] by spence57 Dec 14, 2008 (11:14 pm)
Replying to: jeffrey9 (Dec 12, 2008 8:04 pm) It's possible that you have an obstruction in your exhaust. I'd try to bypass your systems as much as possible. Can you check the fuel pressure or feed it from another pump and fuel can? Could something be left in your tank? Does it bog down when you rev the engine in neutral or just when you are driving?
#457 of 511 Clunky Locking Rear End/Delayed engagement of Auto 4wd by tsf7 Dec 16, 2008 (8:09 am)
I have an '04 Suburban 4wd w/ G80 rear end. I purchased it in April of this year so today was my first real experience driving it in the snow. Since I purchased it at approx. 4 yrs old, I don't know how well things like differentials and the transfer case were maintained. From the Carfax, it lived in So. Cal. its whole life (now in Utah), so I am assuming the 4auto system was rarely, if ever, used during the first 65k miles, and possibly neglected as a result.   Two issues I noticed. First, rear end clunks rather loudly when the locker engages. Is this normal? Admittedly, many of the times I was playing around and trying to make it -- the harsh clunk was probably b/c I had the other wheel spinning pretty fast already, so the engagement was more violent than it would usually be. Second, the Auto 4wd seemed to take a half second to kick in (again, screwing around, so...). Has anyone else noticed this? I have driven my dad's '99 in the snow quite a bit. On his Sub, there is no perceptible delay in engagement of the auto 4wd. I don't know if my dad's has the g80 rear end, but again, there is no noise coming from the rear when the wheels spin.   I'm just wondering if these are signs that the systems haven't been maintained as they should, ie, the differential filled with the wrong lube and/or the t-case neglected because it was never used for 4wd. But before I spend money getting the t-case and diff. drained and refilled, I wanted to see if you all think there might be a problem, or if that is just how these trucks work. Thanks in advance.
#458 of 511 Doors looks by suburban100 Dec 18, 2008 (5:41 pm)
I have a 1999 chevy suburban, I have added an alarm system to my vehicle. I have recently been having the problem with my doors locking when it wants to. My alarm atomatically turns on and my doors are suppose to lock but they don't most of the time. But I can leave my truck sitting for about 10 minutes turn my alarm off and on the locks. Is there some kinda power issue with these trucks on the locks or is there something I can change. Someone please help me
#459 of 511 Re: Cold Under Dash Draft [bcxl] by bcxl Jan 11, 2009 (7:55 am)
Replying to: bcxl (Dec 04, 2007 5:42 pm) My 2002 Yukon XL had the same problem and no one knew the answer until luck finally came my way with a service tech at a small Chevy dealership. Seems as though a hole is factory cut in the firewall to accomodate heater/ac hoses that is not sealed and much too large for the hoses.   The fix requires temporary removal of the wiper motor and controls (under the hood) then calking the hole. The service guy actually could put two fingers in the hole and be seen from under the dash looking up.   I had this done last spring and now deep into the winter season and cold weather; it worked. Passengers can actually ride in the car without wrapping their legs in a blanket! I had originally thought that there was a vent issue or a leak around the fender on passenger side and searched to no avail.   The "fix" cost me a couple of hundred bucks, but was well worth it.   cheers,   bc
#460 of 511 Re: 03 tahoe cuts out when i hit a bump [mycar15] by Houston1954 Feb 19, 2009 (10:44 am)
Replying to: mycar15 (Aug 10, 2008 5:10 pm) I am having the same issue withmy 2003 Sub Z71. I have had the computer reprogrammed and the problem continues.   Were you able to find a solution to the problem?
#461 of 511 Re: My 2004 Suburban Z71 [kiawah] by bigd35 Feb 21, 2009 (3:20 pm)
Replying to: kiawah (Dec 14, 2008 7:15 pm) Here is what I found...   On the 4WD, there was an encoder motor fault. The dealership replaced the sensor and downloaded updates. This is the same thing they did at 38,000 miles. $300.   The left rear door had to have the power lock actuator replaced. $350.   The seats had a wire rubbing in the dash, so they said. They replaced the heater element for the drivers seat, but this did not fix the problem. The fuse still shorted out. After taking it back they discovered the wiring. $350.
#462 of 511 2003 Suburban Pinging and Popping by thisey Mar 09, 2009 (3:54 pm)
I have a 2003 Suburban with 155000km. I have fixed all of the historical electrical, transmission, blower motor etc. However, I now have a sporadic pinging and popping noise that occurs when excelerating or when parked pushing the gas pedal. Is it an exhaust problem? If so what is the best remedy? I have no signs of exhaust escaping. Replies to this message: tidester (Mar 09, 2009 5:51 pm)

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