- #487 of 511
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service 4wd light on?
by randypape
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Sep 30, 2008 (1:54 pm)
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hello, as friend's 1999 gmc jimmy is giving him problems with the 4wd unit. he was told his electronic transfer case computer module is bad $550.00 and the actuator . is there a tell tale way of checking this out ? this shop wants over $900.00 to fix it. thanks Randy
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- #488 of 511
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Re: power seats please help !!!! [mrakes]
by Beckyj636
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Dec 03, 2008 (12:43 pm)
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Replying to: mrakes (Dec 05, 2005 6:52 pm)
Where is this relay?
My power locks work, BUT neither power seat does.
I have the 96 Blazer
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- #489 of 511
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Re: HELP!!!! clunk in front end HELP!!!!!!! [gmck9]
by mwills
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Mar 07, 2009 (9:50 am)
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Replying to: gmck9 (May 18, 2008 5:31 am)
Hi - just learned a very expensive lesson concerning DEXCOOL coolant. Lost an engine, ended up replacing the engine, radiator, thermostat, pump, and hoses. We bought the car used, and as a precaution, had the cooling system drained, flushed, and new coolant. A couple years later we lose the engine. We were stranded on I5 about 30 miles from home. Had to limp home a few miles at the time (after filling with water) and wait for the engine to cool down. Later learned a head gasket blew in three places. The used replacement engine also had DEXCOOL contaminant because it wasn't flushed before going into storage; that took a while to clean up. Of course, in 2004 when the engine was put on the shelf, these problems weren't known. The problem with DEXCOOL is the slightest amount of air in the system will cause the anti-corrosion material to settle out. It will clog any water passageway, in the heads, radiator, heater, even the hoses. After much research, there are a few things you can do to prevent the damage. One is to remove the orange coolant, flush several times with water (VERY completely), and refill with the old style green coolant that uses silica as the anti-corrosion method. Be careful to avoid long life green coolant that is based on the same organic technology as the DEXCOOL [I think it is called OLT]. If you want to stay with the DEXCOOL, have the engine inspected to make sure there is no damage, or clogging in the radiator. Then get the new style thermostat from GM or NAPA that has a loose pin in the barrier wall that will allow air to pass and go to the coolant reservoir. This purges air from the cooling system. Drain, flush, and replace the DEXCOOL coolant every 2 years or 50,000 miles, whichever is first. Get the shop to make every effort to bleed all air from the system, and replace the thermostat every coolant change. If your radiator has a cap, replace that every time also, with a STANT lever cap [this brand is recommended by GM]. Aging radiator caps are often the culprit letting air into the cooling system. Good luck, our experience cost over $2400. 
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- #490 of 511
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Re: 1997 Blazer Wiper question [imatoolman]
by gprixowner
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Apr 09, 2009 (6:53 pm)
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Replying to: imatoolman (Nov 14, 2000 2:16 am)
hi there, I am the not so happy owner of a gmc jimmy 97, I was having plenty of trouble with the truck's front wipers, I took the little motor out, disassembled it and inspected all the parts. I found that the wire harness attaches to a socket on the control module, for some reason, either be vibrations or movement when you do something close by; the solder on the module's pins breaks, causing an erratic performance, since I have the tools, I just resoldered the pins, taking care to make a better job than those guys at the assembly plants, and had no problems after. Still however, whenever I do anything close by, I will pull off the harness so as to not disturb the module's guts, annoying at some point, but beats paying for a new motor!
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- #491 of 511
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Metri-Pack connector
by duntov
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Apr 10, 2009 (4:31 am)
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I recently purchased two Metri-Pack terminal removal tools (Delphi 12094430 and 12094429) in order to remove the Metri-Pack terminals from the Metri-Pack plastic connectors. The clip on the Metri-Pack plastic connector on my alternator was damage by someone with a "screwdriver removal tool" and normal vibration and wind from the fan can blow the connector off the alternator. A new 4-way Metri-Pack plastic connector (AC Delco PT1929 or GM-88860484) for the alternator cost $15. That is expensive for a 50 cent part but nothing else will do and General Motors knows it.
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- #492 of 511
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jimmy
by gator14
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Apr 11, 2009 (11:33 am)
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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
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- #493 of 511
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Re: jimmy [gator14]
by tidester HOST
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Apr 11, 2009 (12:52 pm)
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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
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- #494 of 511
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Re: 1997 Blazer Wiper question [gprixowner]
by jlflemmons
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Apr 13, 2009 (2:03 pm)
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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.
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- #495 of 511
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Converting my spare tire mount
by my2000truck
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Apr 14, 2009 (6:24 am)
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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?
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- #496 of 511
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Re: Converting my spare tire mount [my2000truck]
by jlflemmons
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Apr 14, 2009 (6:29 am)
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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!
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