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Author Topic: Juddering Auto  (Read 1882 times)

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GIANT DRAGON

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Juddering Auto
« on: 02 May 2017, 22:26:59 »
Hi need a puzzle solving please, i've just changed the prop rear rubber (Doughnut). but my 53 reg 2.2 auto still judders when going backwards? seems ok if left for it to reverse naturally, but any throttle, then it judders. Thanks in advance.
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GIANT DRAGON

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Re: Juddering Auto
« Reply #1 on: 03 May 2017, 16:24:32 »
Any ideas please...
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Marks DTM Calib

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Re: Juddering Auto
« Reply #2 on: 03 May 2017, 16:40:47 »
Does it do it under any circumstances going forwards (light throttle high load etc?)
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GIANT DRAGON

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Re: Juddering Auto
« Reply #3 on: 03 May 2017, 17:08:03 »
No only as described, drives mint otherwise. Thanks. hence why we thought it was the rubber doughnut.
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frostbite

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Re: Juddering Auto
« Reply #4 on: 04 May 2017, 21:53:43 »
Have you checked the oil in the diff? (any noise droaning)
Whats the state of the diff bushes? (the diff twists the other way when it goes backwards)
There are 2 of those flex discs and a dodgy centre bearing
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e46 325i se - 1.8vvti avensis liftback

GIANT DRAGON

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Re: Juddering Auto
« Reply #5 on: 05 May 2017, 16:36:14 »
Thanks i'll change the diff oil 1st, no noises though?  i was thinking of changing the Auto Gear Selector Switch.?? no idea of inside Diff........yet :) Cheers  :y
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frostbite

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Re: Juddering Auto
« Reply #6 on: 06 May 2017, 15:21:57 »
The pnp switch get filled with gunk, I had to clean mine out as it had a waxy substance inside,  which I think is a mixture of dielectric grease and A/C condesate.

Made all the lights come on but drive normally
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e46 325i se - 1.8vvti avensis liftback

cam.in.head

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Re: Juddering Auto
« Reply #7 on: 06 May 2017, 18:20:22 »
Mine drives perfect forward or reverse normally but does have a slight noticeable vibration when I have a lot of weight in the boot. Not sure if this is a weight issue or angle of driveshaft issue.will be checking props shaft rubbers ,centre bearing and for any other looseness anywhere. Whatever you eventually find with yours I will check also ,and if I find anything that you may need to check I will report back here !
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GIANT DRAGON

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Re: Juddering Auto
« Reply #8 on: 09 May 2017, 19:00:35 »
ok thanks everyone for your advice so far  :y :y
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