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Pickups Chevrolet Silverado & GMC Sierra Chevy Silverado and GMC Sierra 4x4 Questions
239 messages, Last post on Dec 01, 2009 at 1:47 PM
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i have a 2000 gmc 1500 4x4 it makes a whining noise at any speed it gets louder at highway speeds and the truck has 214,000 miles
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Replying to: geno57 (Oct 20, 2007 5:22 am) You've probably got a bad bearing somewhere but without more info. it is impossible to diagnose. Could be wheel bearing, transmission, transfer case, rear diff. Does it vary with vehicle speed or engine speed? Example: If it's a power steering pump it will make the noise under the hood even though the vehicle isn't moving. Rev the engine with the hood up and listen. If there is no noise it is somewhere in the drive train. You could put all 4 corners up on jack stands, have someone put the truck in Drive, and listen to each wheel bearing as the wheels turn, and crawl around underneath and see where the noise is coming from - transmission, transfer case, etc. Be careful with that, make sure the truck is secure before doing anything like that, and don't get any loose clothing near any spinning items in the drive train. Even if you find the location of the noise it might not be something you can repair yourself unless you are very sophisticated, in which case you probably already know what I've just told you. Good luck. 1offroader |
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2004 Sierra auto. manual 4x4 shift on the hump. I have been told,and the manual says that i can "shift on the fly" from 2 wd to 4wheel high at any speed below something like 45 miles per hour,and back. When i try to shift from 2 wheel to 4 wheel at say 25 mph ,its like shifting a standard tranny without the clutch. I guess i'm expecting that the S.O.F. to be smooth. Truck has done this since new, especially when cold. Manual says you can shift while truck is in motion. Thoughts from 4x4'rs appreciated. |
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| I have a 2004 2500 crew cab duramax 4x4, my father in law has the same truck and my brother in law has a 2001 2500 crew cab 4x4 with the 8.1l in it and we all have had problems with front wheel hub assemblies going out. both me and my father in law have replaced both sides twice in 46K miles on our trucks and the othe truck one set. All the trucke have 4" Rancho lifts and 305-70-16 tires of different brands.The bearing are National brand that we've been using(National beening a repitable company). Has any body had the same problems or can you refer me to another site to discuss this, Thanks. | |
Any thoughts on what will happen to the new boxed frames that cannot drain well or be readily flushed out, after several years on the heavily salted roads of the Northeast?
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I Changed the Actuator but the 4X4 Wont Luck In. Someone told me that it has another switch but I cant find it Please Help.
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Replying to: jasper12 (Dec 04, 2007 4:51 pm) Also sector shaft bearing in the transfer case replaced again by dealer $ 610. The sector shaft connects the transfer case motor. Personally my opinion, with the thousands of dollars I've spent on 4wd repair and the additional cost to the truck purchase for auto 4wd. GM should go back to manual shift, they cannot seem to get it right. |
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Replying to: conclutcha (Dec 04, 2007 8:10 pm) it could be the actuator motor on the transfer case that is your problem or it could be my most recent problem the sector shaft bearing in the transfer case. |
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| Thank you For Your Info I Will Look At Some To Look For This Parts | |
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Hello everyone, I am new to the board, and have looked for a similar problem as mine, but can not find one. I have a 2005 Z 71, with push button, 4WD, and the "auto" mode. I drive in 2wd, 30 minutes, 75mph, each way to work. Tranny works fine (with chevy's normal rough shifting) The other day I noticed the red light next to "neutral" was on instead of the amber light next to 2 Hi. The truck was running fine, and when I pushed the 2wd button, amber flashed for a few seconds, and went off. I pulled over, shut off the motor, restarted, and it apperantly reset. I thought life was good. Now I have noticed the red light on three more times, and it doesn't reset by simply restarting. It is very random when it is on, or off. Any simmilar stories or advice? |
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