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Chevy Tahoe Maintenance and Repair

580 messages,  Last post on Nov 23, 2009 at 5:22 PM

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

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#557 of 580 Re: 01 Tahoe LX, AC Switch [jcb4green] by doc15 Aug 31, 2009 (2:11 pm)
Replying to: jcb4green (Aug 31, 2009 11:42 am) If the fuse is blown would the fan blower work at all? I have some power to the switch because I have three of the six speeds. The top three fan speeds seem to work ok, just the three lower speeds are what is not working. Doc.
#558 of 580 Re: 01 Tahoe LX, AC Switch [doc15] by kiawah Aug 31, 2009 (2:35 pm)
Replying to: doc15 (Aug 30, 2009 12:27 pm) As I said before you need to check the resistor bank (Blower Control Module) that is in the air plenum, at the output of the squirrel cage exhaust.   The blower motor is a dc motor, and you adjust speed of a dc motor by putting a resistance in series with the motor to drop voltage. That gets hot when using, which is why it's put in the duct work to keep cooled.   This is pretty common across most all vehicles, which have some sort of resistor bank or control module, This is what goes bad 99% of the time, not the switch. Replies to this message: arrie (Sep 03, 2009 4:12 pm) doc15 (Sep 03, 2009 5:22 pm)
#559 of 580 Re: 01 Tahoe LX, AC Switch [kiawah] by arrie Sep 03, 2009 (4:12 pm)
Replying to: kiawah (Aug 31, 2009 2:35 pm) doc15,   kiawah speaks facts. I personally had the same problem with a Pontiac Grand AM. I lost lowest 3 speeds.   Resistors are mounted in the side of the duct work at the blower to cool them down and the resistors for the lowest fan speed always burn first as they get least amount cooling with lowest fan speeds, of course, and because the voltage drop, i.e. resistor heating is the biggest on them.   Arrie Replies to this message: doc15 (Sep 03, 2009 5:22 pm)
#560 of 580 Re: 01 Tahoe LX, AC Switch [arrie] by doc15 Sep 03, 2009 (5:22 pm)
Replying to: arrie (Sep 03, 2009 4:12 pm) Thanks for the info guys, I will be checking that out tomorrow.
#561 of 580 Re: 1996 Tahoe Starting and Running Problems (Crankshaft Position Sensor) [jcb4green] by dangerhoe Sep 10, 2009 (6:47 pm)
Replying to: jcb4green (Aug 27, 2009 2:28 pm) where is this sensor? My 1995 Tahoe recetly started running a bit rough when idling. It has about 190000 miles on all the original equipment and I dont feel like dumping a bunch of money into it. Replies to this message: 73shark (Sep 11, 2009 5:11 pm)
#562 of 580 Re: 1996 Tahoe Starting and Running Problems (Crankshaft Position Sensor) [dangerhoe] by 73shark Sep 11, 2009 (5:11 pm)
Replying to: dangerhoe (Sep 10, 2009 6:47 pm) Unless you do this on a regular basis, I would suggest running two bottles of Techron thru it.
#563 of 580 Re: Replaced fuel pump on 2002 TAhoe [moralesa89] by smiley48 Sep 11, 2009 (9:30 pm)
Replying to: moralesa89 (Aug 16, 2006 12:52 pm) I have the same problem with my 2002 Tahoe and I don't think it's the fuel pump, could be electrical but don't know where. I have taken it to numerous places and paid countless dollars for them to not diagnose anything. It's frustrating no one can find my problem. Did you get anything figured out? Replies to this message: kiawah (Sep 12, 2009 3:17 am)
#564 of 580 Re: Replaced fuel pump on 2002 TAhoe [smiley48] by kiawah Sep 12, 2009 (3:17 am)
Replying to: smiley48 (Sep 11, 2009 9:30 pm) Smiley, you are replying to a post that is 3 years old.   What kind of places have you been taking it to? You need to find a competent service dept.
#565 of 580 Re: power steering stoped working [washedsquirrel] by dlacey Oct 11, 2009 (4:52 pm)
Replying to: washedsquirrel (Oct 28, 2006 11:05 am) This may sound like i'm being a funny, but you didn't say if you checked the belts. It sounds simple but it took me 15 minutes to figure my same problem out. A missing belt woiuld most certainly make it very difficult to steer.
#566 of 580 WHAT'S WRONG WITH MY TRUCK? by tommyr43 Oct 16, 2009 (7:38 pm)
WHEN I FIRST START THE TRUCK AND DRIVE IT HAS NO PROBLEMS THEN WHEN I TURN THE ENGINE OFF THEN RETURN TO THE TRUCK AND GO AGAIN THE ENGINES SOUNDS LIKE IT IS MISSING AT TIMES AND IT DIES BUT RESTARTS AND SOMEITMES CLEARS UP AND RUNS FINE AND SOMETIMES IT JUST CONTINUES TO DIE. JUST RECENTLY WHEN IT DIED AND THE ENGINE WOULD NOT TURN OVER IT JUST CLICKED. AFTER SEVERAL ATTEMPTS IT FINALLY TURNED OVER AND STARTED. A COMPUTER CKECK WAS DONE BEFORE IT STARTED ACTING LIKE THE STARTER WAS GOING OUT AND IT SHOWED THAT THE EGR VALVE WAS NOT RIGHT. I TOOK THE EGR VALVE OFF AND THERE WAS NOT ANY CARBON BUILD UP ON IT AND IT SEEMED TO BE WORKING OKAY AND NOT STICKING. I PUT A NEW GASKET ON AND IT STILL DOES THE SAME THING. TONIGHT I STARTED IT AND DROVE IT AND IT DID FINE. I WOULD KILL THE ENGINE AND IT WOULD RESTART FINE. I FINALLY JUST LEFT THE ENGINE RUNNING UNTIL THE ENGINE WAS RUNNING AT NORMAL TEMP FOR A WHILE AND THEN KILLED IT. WHEN I TRIED TO START IT IT JUST CLICKED. I DON'T KNOW VERY MUCH ABOUT DIESEL ENGINES EXCEPT EVERYTHING'S SO EXPENSIVE. IF YOU HAVE ANY IDEAS AS TO WHAT THE PROBLEM MAY BE PLEASE LET ME KNOW . . . THANKS! Replies to this message: 73shark (Oct 17, 2009 8:51 am) steve_ (Oct 17, 2009 9:20 am)

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