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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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What is this discussion about? Chevrolet Blazer, GMC Jimmy, SUV

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#3036 of 3449 Re: Electrical problems on 87 K5 Jimmy [87k5jimmy] by jlflemmons Sep 11, 2007 (9:43 am)
Replying to: 87k5jimmy (Sep 10, 2007 11:32 am) How old is the battery? If you have access to a voltmeter, check the voltage with the engine running. Should be between 13.6 and 14.8, roughly. Disconnect the battery and measure the voltage. Should be around 12.6 volts. Wait a few hours and check it again. If the voltage has dropped more than a couple of tenths, let it sit over night and check it in the morning, still disconnected from the car. If it has dropped below 12vdc, there is a bad cell in the battery and it is discharging internally. Time for a new battery. Replies to this message: 87k5jimmy (Sep 14, 2007 10:12 am)
#3037 of 3449 Re: Electrical problems on 87 K5 Jimmy [jlflemmons] by 87k5jimmy Sep 14, 2007 (10:12 am)
Replying to: jlflemmons (Sep 11, 2007 9:43 am) THank you changed the battery and the discharge problem is resolved however I am still trying to figure out the problem with the stereo and dome lights. If there is anyone that can help I am still open to suggestions.
#3038 of 3449 newer model trailblazers by rogerm4 Sep 22, 2007 (12:41 pm)
I have a 98 Blazer, 76000 miles, and have had many of the common blazer issues, ie..upper/lower ball joints, left side hub, right side needs replaced now, rear wiper motor, power steering pump twice, remote oil filler lines twice, brake/rotor, etc etc. Not being a diy person, this truck has cost me a bunch of money at the local Chevy dealer. As crazy as it sounds, I would to stay with a Chevy. Do the 2004-2006 Trailblazers still have the front suspension issues that the older trucks all seem to have? Thanks for any input!
#3039 of 3449 Re: Scared! [raymica] by grose69 Oct 05, 2007 (6:25 am)
Replying to: raymica (Dec 12, 2000 11:41 pm) I have a 95 Blazer with 185000 miles on it. I have had it for 7 years. Other than normal wear and tear, the Blazer has been as solid as a rock! I truly expect to get well over 200000 miles out of it.
#3040 of 3449 Engine runs rough when warm by grose69 Oct 05, 2007 (6:37 am)
I have a 95 Blazer with 185000 miles on the original Vortec V-6. Lately I have noticed the engine running poorly after it gets warmed up. I just changed the plugs, wires,cap rotor and O2 sensor. None of this seems to have helped. When you first start the engine, it runs as smooth as the day it was built. After about 30 minutes, the miss starts. I have also noticed a significant drop in fuel mileage as well. Any ides? Replies to this message: rallan (Oct 12, 2007 5:10 pm)
#3041 of 3449 98 blazer 4wd problems by rallan Oct 11, 2007 (9:01 am)
I have a 1998 Blazer that will not go into 4hi or 4 lo. I can hear the relays engaging and the lights flicker but am not getting voltage to the encoder motor when 4hi or 4lo is pressed.I can disconnect the harness from the encoder and apply voltage to activate the encoder and shift into 4hi. The 4hi light is then lit but will not shift out of 4hi to 2hi without "hotwiring" the encoder.Did not try 4lo. Tried replacing the TCCM but same problem. The harness from the TCCM to the encoder checks out OK with an OHM meter. Not sure what to do next. Anyone have an idea? Replies to this message: thesweetrosslg (Oct 19, 2007 5:22 am) johnnyo2 (Dec 16, 2007 6:55 pm) toleson (Dec 17, 2007 5:23 pm) leoandme (Dec 17, 2007 5:50 pm) and 3 more... rallan (Dec 20, 2007 9:33 pm)
#3042 of 3449 Re: Engine runs rough when warm [grose69] by rallan Oct 12, 2007 (5:10 pm)
Replying to: grose69 (Oct 05, 2007 6:37 am) I have seen this problem before on other vehicles. Try Changing the Ignition coil.
#3043 of 3449 Re: Transmission 98 Blazer [dwbwv] by aatblaz Oct 18, 2007 (8:03 am)
Replying to: dwbwv (Sep 03, 2007 1:03 pm) what did you end up doing? I've got the same thing happening....
#3044 of 3449 Pretty good ..so far by 20blazer00 Oct 18, 2007 (6:32 pm)
well, sorry it took me so long to send this. Like you said repairdog, I got the dealer to change my fan clutch( because of the heavy blowing), That has fixed it, no more blowing, and the power has came back. I went and had them to flush cooling system and put fresh dex in it.. blazer is running great now. Next Id guess, complete tune up seeing it has 118,671 on it. And I dont have a clue if any maintence has been done.But, so far, I havent had any of the major problems yet.( maybe they have been done before I got it)( fingers,toes and hair crossed)   The only thing is I havent been able to get the 4x4 worked on yet. One question I have is, I dnt have a clue if this has ever been done , but, at this mileage, would a transmission fluid and filter change, be good or bad for it? I've heard the horror stories about getting this done on a GM after 100,000 for the first time. And the thing burn up.      Oh,is case you forgot, I have a 2000 blazer LS 4x4 Replies to this message: thesweetrosslg (Oct 19, 2007 5:24 am)
#3045 of 3449 Re: 98 blazer 4wd problems [rallan] by thesweetrosslg Oct 19, 2007 (5:22 am)
Replying to: rallan (Oct 11, 2007 9:01 am) I recently had the same problem with my 97 jimmy i know it sounds simple and if it is what the problem is youll kick yourself for not trying it but look in fuce box i think if its the same as the 97 it will be number 19 and its a 20 fuse yellow replace it and see if that helps

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