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Chevy Blazer GMC Jimmy Maintenance and Repair

3453 messages,  Last post on Dec 07, 2009 at 7:38 PM

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

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#3405 of 3453 Re: pitman arm replacement [dunright] by mporubcan Sep 11, 2009 (7:07 am)
Replying to: dunright (Sep 10, 2009 10:10 pm) I replaced the pitman arm on my 98 Blazer w/o lifting the engine. It was a bear to get the arm off (even with the right puller).   Maybe they do not have the right tools to do the job.
#3406 of 3453 Re: pitman arm replacement [dunright] by Mr_Shiftright HOST Sep 11, 2009 (9:24 pm)
Replying to: dunright (Sep 10, 2009 10:10 pm) No you don't have to raise the engine, but of course you have to lift the car and you need to get a few things out of the way to pull the arm off. Having the right tools helps a lot.       * Tools Required:     * J 24319-B Steering Linkage Puller.     * J 29107-A Pitman Arm Puller.     * J 6632-01 Pitman Arm Remover. Replies to this message: johnss10 (Sep 14, 2009 11:44 am) Mr_Shiftright (Sep 14, 2009 12:52 pm)
#3407 of 3453 '95 jimmy speedo works on and off by house419 Sep 13, 2009 (6:45 am)
The speedometer was working one day and then just quit and is now working again... Any ideas? Replies to this message: skiextreme2 (Sep 13, 2009 5:55 pm) johnss10 (Sep 14, 2009 1:03 pm)
#3408 of 3453 Re: '95 jimmy speedo works on and off [house419] by skiextreme2 Sep 13, 2009 (5:55 pm)
Replying to: house419 (Sep 13, 2009 6:45 am) If you have an old school speedo (mechanical), it's possible the gear where the cable meets the transmission is wasted. I had that happen on a Chevy van I had after I had the transmission rebuilt.   If you haven't done or had any work done that required pulling the cable or gear, check and see if all the connections are tight.
#3409 of 3453 Re: pitman arm replacement [Mr_Shiftright] by johnss10 Sep 14, 2009 (11:44 am)
Replying to: Mr_Shiftright (Sep 11, 2009 9:24 pm) No, the engine does not need to be moved/lifted. I removed the steering linkage (center link), then removed the steering box from the car. Much easier. Replies to this message: Mr_Shiftright (Sep 14, 2009 12:52 pm)
#3410 of 3453 Re: pitman arm replacement [johnss10] by Mr_Shiftright HOST Sep 14, 2009 (12:52 pm)
Replying to: johnss10 (Sep 14, 2009 11:44 am) that's what I said too. You lift the car, not the engine.
#3411 of 3453 Re: '95 jimmy speedo works on and off [house419] by johnss10 Sep 14, 2009 (1:03 pm)
Replying to: house419 (Sep 13, 2009 6:45 am) My '95 S-10 pickup has a mechanical speedo, so your Jimmy probably does also.   Since this is an intermittent problem, it's most likely a broken cable. It could be the gear on the transmission, or the speedo itself.   I would take it to a speedo shop, there work is usually pretty reasonable for what they do.
#3412 of 3453 65 mph Vibration by jimmyhater Sep 27, 2009 (4:57 pm)
I have a 96 GMC Jimmy 4x4 that vibrates at speeds above 65 mph, most noticeable when traveling uphill. I have looked at multiple posts on the internet regarding vehicle vibration at speeds above 64-66 mph, and couldn't find a good solution. So far, I have replace the wheel hub assemblies, front half-shafts, rotors, drums, tires (even had them road forced balanced), and driveline u-joints. The only thing left to replace is the front differential and the rear differential bearings. I did notice that I have a bad mody mount on the front right of the vehicle. Could this really cause this vibration? The vehicle vibrates the most at the door hinges and mirrors. I did notice that there might be excessive play in the driver-side differential driveshaft flange. Any ideas out there before I try replacing something else? I was thinking about taking the front cv shafts apart and only placing the part that help keeps the wheel hub assemblies together...I don't need 4x4 that bad. Thanks. Replies to this message: jlflemmons (Sep 27, 2009 5:31 pm) jimmyhater (Sep 27, 2009 7:26 pm) jlflemmons (Sep 28, 2009 5:33 am) and 5 more...
#3413 of 3453 Re: 65 mph Vibration [jimmyhater] by jlflemmons Sep 27, 2009 (5:31 pm)
Replying to: jimmyhater (Sep 27, 2009 4:57 pm) Check motor and transmission mounts, too. The tranny mount is easy, but the motor mounts are a bit harder. Easiest to come in through the wheel wells and underneath.   Motor mount breakage is fairly common on these. That 4.3L can generate some pretty good torque. I have had to replace both on my two Blazers this year. Replies to this message: jimmyhater (Sep 27, 2009 7:26 pm) jlflemmons (Sep 28, 2009 5:33 am) jimmyhater (Sep 28, 2009 6:58 am) and 4 more...
#3414 of 3453 Re: 65 mph Vibration [jlflemmons] by jimmyhater Sep 27, 2009 (7:26 pm)
Replying to: jlflemmons (Sep 27, 2009 5:31 pm) What symptoms did your vehicle experience with the bad mounts? I checked the transmission mount before and it seems fine. The engine mounts were somewhat difficult to get get a good look at. The engine doesn't excessively move when putting it in gear and reving the engine. If anyone may think it may be tie rods (inner and outter), control arm bushings, or the idler arm...it isn't...replaced those too. And, of course the front-end alignment didn't help. Actually, I had two places check the alignment. One place with a laser-alignment system said my caster setting was a little out of whack. The place that did my alignment said the caster setting was fine. The vehicle was backed into at a low speed a few years back...I'm wondering if it caused the pinion angle to change. Say, when I drive up-hill, more weight on the rear causes the pinion angle to change slightly more, thereby causing the vibration??? Replies to this message: jlflemmons (Sep 28, 2009 5:33 am) jimmyhater (Sep 28, 2009 6:58 am) jlflemmons (Sep 28, 2009 7:27 am) and 3 more...

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