Last post on Oct 27, 2013 at 2:09 AM
You are in the Chevrolet Suburban & Tahoe
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Chevrolet Tahoe, SUV
#5970 of 6471 Re: Cold Air on Windshield defrost [templeton2]
May 26, 2006 (7:10 pm)
Well, I think we have the Cold Air on Windshield defrost problem solved. Won't know for sure until winter time. I found 2 TSB's that deals with "Loss of HVAC System Mode AND/OR Temperature Control" number 01-01-39-007. This is for '99-2002 Chevy + GMC C/K P/U models(silverado & sierra), '99-2002 Chevy + GMC C/K Utility models(Surburban, Tahoe, Yukon, Yukon XL, Denali), 2001 GMC Sierra C3, 2002 GMC Sierra Denali, 2002 Cadillac Escalade. In a nutshell, this can be caused by a misrouted wiring harness that connects to the temperature controller. If the harness is routed BELOW the air distributor duct, the wires will be too tight causing either poor teminal contact or contacts to be pulled out of the connector. If the harness is routed correctly and there is still a problem OR a problem still exists after rerouting the harness, TSB 04-01-39-007 deals with "Loss of HVAC System Mode AND/OR Temperature Control" is suggested to be tried next after 01-01-39-007. In this TSB (which covers the same models) the control logic on the HVAC control module may "lock-up". Replacement of the HVAC control module is recommended AFTER the wiring harness is checked for tightness. The dealer thought the divertor door to mix hot/cold air may have been sticking too so that was replaced also with the HVAC control module.
#5971 of 6471 1999 Tahoe Fuel System Problem
May 29, 2006 (8:05 am)
I hope someone can help me out with this one...my 1999 Tahoe (5.7L) that I bought used has been having an intermittant problem ever since I bought it. Seems that after it sits for a while, which usually means overnight, it will not start at all, no matter how many times it's cranked over. If you leave the truck sit for 30-60 minutes, it will crank right up like nothing was ever wrong. I've changed out plugs, wires, cap, rotor, and cleaned the IAC valve. Fuel pressure at the shraeder valve looked good, 55-60 psi.
This morning, it did it again. However, I was in a position this time to try a couple of things out. First, I primed the truck at the TB, and sure enough, it would start and run temporarily on the prime. With the key on, I took the cap off of the schraeder valve on the fuel rail and depressed the stem and got nothing; no air or fuel coming out of the valve. Clearly this was not right, so I had my wife cycle the ignition key off and then back on while the stem was depressed. The fuel pump sprang to life and fuel started pouring out of the valve. I put the cap back on and the truck started fine. I don't think this is an ignition switch or electrical problem, as in trying to start the truck all the previous times I've cycled the switch on and off numerous times with no luck. It almost acted like it was air locked. This truck has 115,000 miles on it.
Anyone with previous experience on something like this?
#5972 of 6471 Re: 1999 Tahoe Fuel System Problem [cclay6482]
May 29, 2006 (10:56 am)
Next time it happens smack the bottom of the fuel tank with your hand or foot. Sounds like you may have a fuel pump going bad. It is mounted inside the fuel tank.
Fairly common problem. I had to replace one on a '96 at 30K miles, and on an '04 at 34K miles.
#5973 of 6471 Re: intermittent horn 2002 [jlflemmons]
Jun 01, 2006 (5:10 pm)
Thanks for the tip....will test contacts and hope for the best.
#5974 of 6471 GM Canada - Pissed
Jun 04, 2006 (9:13 am)
Got my 07 Tahoe LTX On May 01st, came from the factory with extended trailor mirrors. The dealer agreed to change them but did not replace them with the LTZ factory coloured mirrors.I was told GM Canada parts could not get the factory mirrors. I believe this is BS and I'm hoping my fellow Tahoe owners can point me in the right direction to get the factory colored mirrors for my LTZ. GM keeps saying its all about service right?
#5975 of 6471 Pissed At GM Canada
Jun 04, 2006 (9:21 am)
I need help from my Fellow Tahoe owners! I picked up my 07 Tahoe LTZ on May 01st and it came from the factory with the extened trailor mirrors. The dealer agreeded to change them but relaced them with the standard black mirrors. GM Canada claim that the color coded mirrors for the LTZ models are not avaliable. I can't beleive that getting a set of correct factory mirrors can be that difficult, but according to GM it is impossible! Looking for suggestions.
#5976 of 6471 Re: Pissed At GM Canada [airtahoe]
Jun 05, 2006 (5:58 am)
Ask them what they would have done had your vehicle come in with the color coded mirrors, but one was broken. Your dealer is wrong, tell him to order them from the US if he cannot get them from Canada.
The only reason I can think of that he couldn't get the mirrors would be that the parts depot has not received the inventory of the mirrors. This can happen on a new model vehicle as all early production components go to the assembly line. Be aware also that when he does get the correct mirrors, they may be in primer and have to be painted to match your Tahoe. If his body shop is competent, this is no issue as paint matching has come far since the old days of "getting it close". I had an indigo blue GMC that got scraped down one side, and two years after the body shop repainted you still could not tell the new paint from the old. Very good match.
#5977 of 6471 Re: Pissed At GM Canada [jlflemmons]
Jun 05, 2006 (6:28 am)
Thanks for the Information, my preference would be to order them myself from the US. I forgot to mention that the dealer dinged my 1200 bucks to change them. I got to keep the extended ones though. I would be a little more understanding if GM Canada just gave me a delivery date.
#5978 of 6471 '03 Tahoe with Bose 6 disk CD question
Jun 07, 2006 (4:32 am)
Hello, has anyone taken this unit out??? I was wondering if there was some sort of "audio input" that would let me plug in a MP3 Player into the stock GM Head unit?
#5979 of 6471 Re: A little advice needed [bronco7923]
Jun 07, 2006 (10:25 am)
Any update on how you handled this problem with the Tahoe
losing power and the SES light coming on? My 99 Tahoe does
the same thing, but only on steep hills. I saw the advice that perhaps it is the fuel pump. Did you resolve it?
I have changed the fuel filter but that didn't help.