loose motor mount?

[dabouncerx24]

Sup guys, thread doesn't belong here but yeah..we all know why

Anyway, lately my car has been acting weird. In 1st and 2nd gear, whenever I let my foot off the accel. it shakes REALLY badly. Doesn't matter if I let it off quick or slow, unless I push in the clutch really quickly, it'll give a bigass shudder.

My friends think its a loose motor mount, but from what I've read around other common symptoms include really loud cranking noises and a very..uncomfortable idle..my car doesn't do this other stuff though.

What do you guys think?

[ebpda9]

might be broken too, or the iacv took a crap

[JDMFantasy2k]

i'd only rule out the iacv if it's idling poorly, under vaccuum (when you snap the throttle closed) i don't think you would notice a shitty (and bucking) idle as much as he's describing.

The motor mount is a good assumption. Just have someone rev up the car while you watch the motor and see how much it moves. Then bust out the wrench and a mirror so you can tighten and inspect them all.

[pdiggitydogg]

eh, a totally shot iacv will make it shudder like that without necessarily having an idle issue - mine did at times
when you say the idle's uncomforable...how so?

I vote for cleaning the inside of the iacv, and also its connectors (plus use of dielectric grease) and then go from there

[dabouncerx24]

Sorry let me make it more clear. What I meant was, my car did NOT have the other problems (bad idle and cranking noises), just the big shudder.

[JDMFantasy2k]

well cleaning and replacing the screen on the iacv will obviously rule that out.

[Robert]

Friend of mine had similar issues, thought it was the motor mount and was going to have it replaced. TUrned out to be something with his allienment... go figure.

[blind34_1]

i had a failing iacv. cleaning the screen didn't help at all, and after a week more the thing completely failed. 200 bucks later I toss a brand new iacv on there, and all idling problems solved. cleaned the fitv, too, and no I have no more warmup idle problems.

Odd thing was, I could drive mostly okay with the iacv wiring disconnected. I did notice it acted different when I let off the throttle, but it wasn't horrible. Still, it was a pain to even start the car without it.

IACVs are funny things.

[dabouncerx24]

Gets even worst when the AC is on..