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Chevy Blazer/GMC Jimmy

511 messages,  Last post on Nov 29, 2009 at 11:19 AM

You are in the Chevrolet Blazer Forum. Your Hosts are steve_ & tidester

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

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#492 of 511 jimmy by gator14 Apr 11, 2009 (11:33 am)
i have a 1995 jimmy which i took to a mecanic to get the head gastets done. i was told i had a colasped piston. now can anyone tell me what that means and what are the causes of this. we have a 2003 van with the same motor and i don,t want it to happen to it. Thanks Replies to this message: tidester (Apr 11, 2009 12:52 pm)
#493 of 511 Re: jimmy [gator14] by tidester HOST Apr 11, 2009 (12:52 pm)
Replying to: gator14 (Apr 11, 2009 11:33 am) now can anyone tell me what that means and what are the causes of this   It means that your piston has become deformed due to excessive heating which, in turn, was caused by your head gasket problem.   tidester, host SUVs and Smart Shopper
#494 of 511 Re: 1997 Blazer Wiper question [gprixowner] by jlflemmons Apr 13, 2009 (2:03 pm)
Replying to: gprixowner (Apr 09, 2009 6:53 pm) Well, the problem you encountered is not exclusive to Blazers. It is a well documented problem that GM ran into by not securing the harness that plugs onto the connector you re-soldered (which is the exact correct repair - Good job!). I have seen it on Blazers, trucks, vans, you name it. It is caused by the constant vibration of the wiring harness being transmitted into the connector and fracturing the solder. Lots of new control boards were installed just for this reason.
#495 of 511 Converting my spare tire mount by my2000truck Apr 14, 2009 (6:24 am)
I have a 2000 Chevy Blazer 4X4 I was thinking about converting my rear mounted spare tire to be inside of my truck, anyone know if there is a way to do this? Replies to this message: jlflemmons (Apr 14, 2009 6:29 am)
#496 of 511 Re: Converting my spare tire mount [my2000truck] by jlflemmons Apr 14, 2009 (6:29 am)
Replying to: my2000truck (Apr 14, 2009 6:24 am) Well, the mounts for a 2dr *might* fit, but you will be left with holes in the body and a big loss of interior space. While I do like the smoother lines of an interior (or better still, underneath) spare tire, that full size spare takes up a lot of room.   I have wondered why they didn't put a small spare in there. I am supposing it has something to do with that little doughnut being completely useless in an off road flat tire scenerio.   Then again, with four inches of ground clearance, my xTreme sees pavement only!
#497 of 511 Re: Roar at cold Start [joeblazer02] by brokenarrow1 Apr 14, 2009 (12:33 pm)
Replying to: joeblazer02 (Jun 13, 2005 7:03 pm) My 98 did it and my 02 does it. A guy drove by my in front of the gym and his was doing it............I think they all do it. Someone told me that the fan clutch is engaging..I don't know other than they all do it. Replies to this message: jlflemmons (Apr 15, 2009 7:31 am)
#498 of 511 Re: Roar at cold Start [brokenarrow1] by jlflemmons Apr 15, 2009 (7:31 am)
Replying to: brokenarrow1 (Apr 14, 2009 12:33 pm) All of the 4.3L engines do it, not just the Blazers. It is the fan clutch. No slippage when cold at startup, but will disengage within a minute or two. If it continues to roar, turn off the engine and see if you can move the fan by hand. If you can move the fan with only a bit of resistance, your good. If it doesn't turn, or takes a hard effort to turn, it is probably time for a new fan clutch. Running with a locked up clutch will affect your gas mileage, so it is worth changing.
#499 of 511 Give UP...almost by keanijoe May 26, 2009 (9:54 am)
I've spent days reading the forum here trying to figure out my truck,,,symptons are as follows...takes 3 attemps to start the truck when cold...just cranks until I try three different times...at low rpms the engine misses bad..If I floor the pedel it runs fine...on highway when I set cruise...engine starts to jump and miss..bad. sometimes the SELight comes on...other time it doesn't I've taken it to 3 mechanics....no one can figure it out...Have gotten two codes...MAPS sensor bad...Replaced...fuel pump, dist, cap rotor....plugs...wires....crank sensor...cam sensor..ignition lock assembly...One mech already told me the CAT was fine.. Any help would be appreicated as I am at a loss...Planning on giving this car to my kid next month but it has to run right first...thanks again for any ideas.... oh I forgot...replaced the computer...also...got a code once that says engine is -7 degree on timing...can't adjust since the bracket is notched and holds dist in postion...also...sometimes the cruise works..sometimes doesn't...and sometimes only one side of the speakers play...help please..... Replies to this message: jlflemmons (May 26, 2009 11:07 am) keanijoe (May 28, 2009 2:13 am)
#500 of 511 Re: Give UP...almost [keanijoe] by jlflemmons May 26, 2009 (11:07 am)
Replying to: keanijoe (May 26, 2009 9:54 am) Because of the starting issue, I would wonder about the fuel regulator. I know the V8 engines had a problem with the regulators leaking and causing hard starts, bad idle, poor low rpm performance. Replies to this message: keanijoe (May 28, 2009 2:13 am)
#501 of 511 Re: Give UP...almost [jlflemmons] by keanijoe May 28, 2009 (2:13 am)
Replying to: jlflemmons (May 26, 2009 11:07 am) thanks....I will check inot that....this is driving me nuts..

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