Changed tranny and motor mounts -- shakes like crazy!
Anyone else had this problem?
Shifts smoother and lower noise and vibrations at speeds over 5 mph, but under 5 mph and especially at start up, shakes like mad!
It seems to quite down after driving for 20 minutes -- maybe the heat softens them up?!
I almost wish I had kept the toasted mounts in -- at least my teeth didn't chatter.
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it's really the worst at a dead stop.
Shifts smoother and lower noise and vibrations at speeds over 5 mph, but under 5 mph and especially at start up, shakes like mad!
It seems to quite down after driving for 20 minutes -- maybe the heat softens them up?!
I almost wish I had kept the toasted mounts in -- at least my teeth didn't chatter.
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it's really the worst at a dead stop.
Last edited by wisconative; Jan 12, 2012 at 07:38 AM. Reason: Automerged Doublepost
I dont think it would in the trans. At first I was thinking U joints but then I re-read your post and it gets worse at idle. I would guess maybe a timing issue or bad injector causing almost a miss. What RPM does your truck idle at?
my bro in law has the tools to check rpm's for a diesel -- do you know what the specs are for correct idle rpm's or where I might find it?
Also, is there anything I need to know specifically for the injectors? -- bro in law says he has a tool for that, but that I may need an adapter for it.
Thanks

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I guess I am surprised if it is the injectors, It only has 130k
I run Lucas through it every tank. Just did a fuel filter change and filled filter with Lucas. Also, no white smoke, just some black at start-up and some haze during idle if engine is hot (well it looks like haze -- I can see it in my mirror, but when I go outside to look, it can't be seen). whaddya think?
Also, is there anything I need to know specifically for the injectors? -- bro in law says he has a tool for that, but that I may need an adapter for it.
Thanks

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I guess I am surprised if it is the injectors, It only has 130k
I run Lucas through it every tank. Just did a fuel filter change and filled filter with Lucas. Also, no white smoke, just some black at start-up and some haze during idle if engine is hot (well it looks like haze -- I can see it in my mirror, but when I go outside to look, it can't be seen). whaddya think?
Last edited by wisconative; Jan 12, 2012 at 01:53 PM. Reason: Automerged Doublepost
700-800 rpm. Does it seem like you have a loss of power or is it going through fuel like crazy? If you just did the filter make sure the o ring sealed good and you didnt get some air in the line/pump. Bleed it out good and make sure there isnt any air then give it a shot.
I did the fuel filter over a month ago, didn't notice any change -- until the mounts were replaced -- so I don't think air is in it.
It goes away at any speed over about 5 mph -- I agree and am starting to think (hope) it is the idle rpms being to low.
Will check that first and see if it goes away.
thanks for the help
It goes away at any speed over about 5 mph -- I agree and am starting to think (hope) it is the idle rpms being to low.
Will check that first and see if it goes away.
thanks for the help


