Re: IML: 81 shifting issues

[Bill Longest <billlongest@xxxxxxxxx>]

My 2 cents.

 

I have a 1981 that had the same issue this spring after it had sat for a about 5 weeks.  It would not go into reverse for a few seconds and when it did, it shook the car. I also had the 'thump" .  I drove the car on a 200 mile round trip and the issues stopped until it sat for a week and the issues came back.

 I drove the car everyday for a few weeks and the issue went away.  I had my mechanic change the transmission fluid and it has not happened, even if the car is not used for a few weeks.
Bill Longest

81,83
Matthew Gill <mgill3@xxxxxxx> wrote:

Thanks! I agree with you completely, i've heard stories of people
going through their car and fixing all sorts of things BEFORE fixing
the part that only cost a few dollars to replace.

I've got an excellent mechanic to take the car to as soon as he's got
time next month, so i'll have the whole thing checked out. I really
would love to keep this car forever so i'll get it back up to spec
and hopefully things work out for me.

On Dec 4, 2006, at 12:08 AM, dansgarage@xxxxxxxxxxxx wrote:

> Hi Matt...you might also check the transmission mounts for a loose
> bolt(s), also that 'thunk' from the rear-end might be related to
> bad or loose, driveshaft universals.....But, having put in my 2
> cents worth, I am sure that there will be comments posted from
> those on the list that are MUCH more mechanically knowledgeable
> than I am! A long time ago I was given some advice that has helped
> me out MANY MANY times....CHECK THE SIMPLE STUFF FIRST!...and while
> 'simple' may be a relative term, I would also say that after
> checking the 'simple' stuff, you check the 'cheap-to-fix' items
> next! GOOD LUCK!!!
> Dan M
>
>
> ---- Matthew Gill wrote:
>
> =============
> Ok, i've put more fluid in the trans, and it's dead center in the OK
> mark, so i'm good to go as far as that goes. Now, the trans shifts
> very smooth, but also very LATE.. also, when it's down-shifting
> (after i take my foot off the gas) i hear a quiet "thud" from the
> rear end, and also feel it, slightly. Also, whenever i shift into
> reverse gear, i always felt the car shake and make quite a loud THUD
> noise. After adding more fluid to the trans and driving it around a
> bit, putting it in reverse no longer makes the car shake, at least
> not NEARLY as badly, just a quiet little thud and you'd feel the
> slightest shake, it seemed a lot more normal.
>
> I think i need some adjustments to both the trans, and probably the
> rear end.. at least this is my assumption so far. I haven't had the
> chance to check the rear end fluid, i don't know if i can unless the
> car is hoisted up...
>
> What are everyone's thought's on that?
>
> -Matt
>
>
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