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Chevy Blazer GMC Jimmy Maintenance and Repair

3449 messages,  Last post on Nov 07, 2009 at 8:55 AM

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#3389 of 3449 STEERING WHEEL WON'T UNLOCK!! by danvega13 Jul 04, 2009 (4:50 pm)
2002 BLAZER with a stuck steering wheel. key goes in and makes "bong" noise but will not turn at all. steering wheel is locked and won't turn either.HELP!! Replies to this message: johnss10 (Jul 06, 2009 8:31 am)
#3390 of 3449 Re: 2000 Chevy Blazer Heater Core [bden1] by johnss10 Jul 06, 2009 (8:26 am)
Replying to: bden1 (Jul 01, 2009 5:38 pm) Some debris could easily have been knocked loose during the maintenance work. GM's Dexcool will form crud in the cooling system if it isn't flushed and replaced every two years. Also, mixing other antifreeze with the Dexcool will cause the gummy stuff to form.   I've never had any luck clearing a clogged cooling system with flushing,. The chemicals just don't eat away the stuff. The only sure cure is to Remove and Replace. Your radiator and heater core may begin to leak due to the corrosion of the aluminum. This is usually due to the electrical current created between the aluminum radiator and iron engine block by the weak antifreeze (same as above).
#3391 of 3449 Re: STEERING WHEEL WON'T UNLOCK!! [danvega13] by johnss10 Jul 06, 2009 (8:31 am)
Replying to: danvega13 (Jul 04, 2009 4:50 pm) Two common problems create this. 1) worn/broken ignition switch or 2) the front wheels are turned when the key is turned off, creating tension on the steering wheel lock pin. It can take a lot of effort on the steering wheel to relieve the tension enough to allow the key to move.
#3392 of 3449 A/C drainhole by bagwan Jul 09, 2009 (11:50 am)
Could you tell me the location of the A/C drainhole on a 1995 jimmy? thanks.
#3393 of 3449 Blazer Moonroof Rain Drains by blackrottie Jul 23, 2009 (5:41 pm)
Does anyone know where the drains are for the moonroof? My 2002 2-door blazer smells of mildew. I think my moonroof drains are clogged but I can't seam to find them so that I can blow them out with a compressor.   There are no signs of leaks, I just smell mildew when it rains.
#3394 of 3449 Problems with headlights and photocell maybe? HELP PLEASE!! by 0dynasty24 Aug 06, 2009 (1:08 pm)
I have a 98 Chevy blazer LT and just about a month ago only the day time running lights would work, and at night they will shut off. me and my friend figured out you can make the DRL's stay on with a flashlight up against the photocell. but I still cant get the actual headlights to work, also the brights wont come on, not even the indicator light telling me that its on. What do you think could be the problem? Replies to this message: johnss10 (Aug 09, 2009 7:56 am) jlflemmons (Aug 09, 2009 12:09 pm)
#3395 of 3449 Re: no power to cab [swoodruff] by carchick29 Aug 09, 2009 (6:30 am)
Replying to: swoodruff (Dec 07, 2007 12:15 pm) I have the same problem! No power to the cab at all. I have power at my starter and my alternator but no power at my ignition. Someone told me that it could be a bad fusable link too but I had power to the cab before I changed my engine. If you get any help with this or find the problem let me know. thanks
#3396 of 3449 Re: Problems with headlights and photocell maybe? HELP PLEASE!! [0dynasty24] by johnss10 Aug 09, 2009 (7:56 am)
Replying to: 0dynasty24 (Aug 06, 2009 1:08 pm) I haven't dealt with this problem myself, so all I have is general advice.   Since the DRL work with the flashlight and in daytime, the photocell must be OK and the body control module (computer) is correctly switching the DRL off, but the headlights aren't coming on.    Could be fuse for headlights or headlight relay. A wiring diagram (mine is in another state right now) would let you track down the headlight relay wiring, and then follow the wiring to the trouble spot.
#3397 of 3449 Re: Problems with headlights and photocell maybe? HELP PLEASE!! [0dynasty24] by jlflemmons Aug 09, 2009 (12:09 pm)
Replying to: 0dynasty24 (Aug 06, 2009 1:08 pm) When DRL was first coming to the US, I remember that there was a module that was in series with the headlights that switched the voltage from low to high for the DRL circuit. I don't know if such a module is still used, or if this is handled in another way, but your sensor is working, and something is switching the DRL off and on, so the "control" circuit is good.   I just checked a GM parts listing for a '98 S series Blazer, and there is a DRL module listed. It is mounted on a bracket next to the headlight relay. There is also a diode listed in the circuit. I wish I could be more help, but the detail on this is very sketchy. I did just find a DRL "typical" schematic for GM, and it shows that if the headlight switch is bad, the DRL will work, but not the headlights. They are fed from different sources.
#3398 of 3449 2002 Blazer Steering problem by mdiaz0429 Aug 12, 2009 (5:16 am)
I have a 2002 Chevy Blazer that I took into a local dealership in Miami for exchange of the ignition switch. They returned the car to me with the steering wheel slightly out of center to the left. If you center the wheel while driving the car veers to the right. It did not do this before I had the ignition repair done. Now the dealership tells me that the steering wheel cannot be re-installed out of center since there is a pin that prevents this from happening. They say that the car needs a front end alignment and want to charge me $85 to do it. Are they trying to fool me or does their explanation make any sense? Thanks in advance! Replies to this message: skiextreme2 (Aug 12, 2009 8:40 am) jlflemmons (Aug 12, 2009 12:51 pm) johnss10 (Aug 12, 2009 4:28 pm)

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