strange vibration under heavy accel.
02-15-2010, 09:36 PM
#1
Staging Lane
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strange vibration under heavy accel.
ive been getting this weird vibration right at take off under heavy acceleration, i have checked all the U joints, i have flushed the trans fluid, tires have less than 6,000 miles on them, changed both front and rear diff fluids, im running out of ideas? also i get a pronounced pop when going from drive to reverse or vise versa. on this matter the front end parts are all tight. and the trans mount and motor mounts are ok.
02-16-2010, 10:15 PM
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Staging Lane
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another new addition to this puzzle. had it out on the highway today, at around 52 mph i get a vibration also, the drive shaft is coming out again to check u joints.
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02-17-2010, 04:50 PM
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Staging Lane
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nope it has been lifted for 64,000 of the 68,000 miles.
i will check that tomorrow. i did just take the procharger off and put iridium plugs back in. but i have checked to make sure my connections are good.
had it in the air today. i have a lift at my shop. makes things easy. i rebalanced the tires, they were all out. also the rears look like there oblong. so discount tire direct my be getting a call here soon to find out what there gonna do about these tires with less than 6,000 miles on them that are out of round.
will do. i think i remember reading somewhere that this is a common problem.
will do. i think i remember reading somewhere that this is a common problem.
02-18-2010, 05:43 PM
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ok so today i checked to see if theres a misfire, none that i can tell with the computer hooked to it.
pulled the cover off of the trans checked the flex plate no cracks found. all bolts tight.
pulled the drive shaft down all u joints feel fine. there is some play in the transfer case up and down very minimal though. trans mount look good.
just for the hell of it i re aligned the front end too. but the vibration is for sure coming from the rear of the truck.
pulled the cover off of the trans checked the flex plate no cracks found. all bolts tight.
pulled the drive shaft down all u joints feel fine. there is some play in the transfer case up and down very minimal though. trans mount look good.
just for the hell of it i re aligned the front end too. but the vibration is for sure coming from the rear of the truck.