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SUVs Chevrolet Blazer Chevy Blazer GMC Jimmy Maintenance and Repair
3451 messages, Last post on Dec 05, 2009 at 8:12 PM
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Replying to: goshjosh (Jul 10, 2007 6:34 pm) |
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Replying to: dl050698 (Jul 10, 2007 6:04 pm) Hub would grate and withe it jacked up you will hear and feel a bad one. Ball joints maybe shot and really loose. Only thing left would be the coil springs and the mounts so look at them when doing the rest and the shocks run inside them on your 2wd. |
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Replying to: goshjosh (Jul 10, 2007 6:32 pm) So maybe after the car dies he should check injector pulse with a NOID light.
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Replying to: Mr_Shiftright (Jul 11, 2007 7:09 am)
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Replying to: goshjosh (Jul 11, 2007 9:32 am) |
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Replying to: dl050698 (Jul 10, 2007 6:04 pm) |
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Hello. I have a 2002 jimmy sls. At low speeds there is a loud squeak coming from under the vehicle, towards the rear. As the truck speeds up, the squeak also speeds up to begin sounding like a rattle. This occurs intermittently and only does it under acceleration. If the truck is making the noise and I shift into nuetral, the noise immediatly stops. Also, approx half the time that I shift from park into drive, there is a clunk. I have climbed under the truck und tried to turn the driveshaft both ways. It does not budge. There are no clunks when coasting then accelerating, which I would suspect eliminates the U joints. When I jack the truck up and turn the rear wheel (driver side),with the truck in nuetral, there seems like there is play in the rear diff and a clunk when the driveshaft begins to rotate. This does not appear to happen with the passenger side. There is approx 90k kms or approx 55k miles on the truck. It is not used for off roading, but tows a utility trailer quite often. Only maintanence other then oil changes is both front hubs (bearing howl) and plugs,wires, pcv, ect. I have no experience with rear diffs, but I am suspecting that there may be a gear backslip for the driver side axel. Is this possible? Does any one have some good photos and procedures? Is a store bought paper gasket required or can you use a silicone gasket maker? Any other ideas on what the problem could be? Much Appreciated, Thank you.
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My 93 blazer 4x4 v-6 went about 15 miles on the freeway and started bucking like it was out of gas. it was full. I pushed the pedal to the floor and could only go about 25 mph until I could exit the highway. Had it towed home. It starts and idles okay ,went around the block and seem okay BUT something is wrong. any Ideas. I was going to flush the injector but couldn't find the pump relay. Thanks.
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Replying to: trckr (Jul 11, 2007 6:58 pm) All GMs rear ends are sloppy and the pass side is worst than the drivers. They have a C clip that hold the axles in at the center of the diff. The rear cover can be removed for full cleaning/dumping of the gear oil and they sell a gasket or you can uese the form a gasket - or the oil can be sucked out and refilled till it runs out that pass side diff plug located alittle over half way up the diff. 80w-90 or 75w90 gear oil. Many GMs also get that clunk as the ring and pinion wear so if in doubt most transmission or 4wd shops can check the play and reshim as necessary. The front output has a crush sleeve on it. Finally check the u-joint in many positions. |
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Replying to: chevguy1 (Jul 17, 2007 9:00 pm)
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