torque converter shutter?
Post Fiend
Joined: May 2004
Posts: 11,289
Likes: 6
From: Lakewood, Ohio
Originally Posted by dcrewchief
I thought i would post back and say that i did stop at the tranny shop today and they had some (Dr Tranny's Instant Shudder Fix) and has seemed to cure the problem. when they say instant they werent joking lol. So far so good thanks for the help folks. 
glad we all could help.
if it was my truck i still would change fluid, filter, drain convertor. also add instant shudder fixx to new fluid.
just my opinion.
good luck!
Posting Guru
Joined: Dec 2002
Posts: 1,113
Likes: 0
From: Remsen, NY
87f150xlt, if you have the 6 cylinder and an automatic overdrive transmission then you have the E4OD that year. They did have some nasty issues with torque converter clutches, in fact that is what killed a lot of those transmissions.
Do not use Mercon V in an E4OD of that time period. Mercon only. Sometimes it comes as "Dextron III Mercon", it is a dual rating for boxes that take Dextron III AND boxes that take Mercon. There is no Mercon III.
Do not use Mercon V in an E4OD of that time period. Mercon only. Sometimes it comes as "Dextron III Mercon", it is a dual rating for boxes that take Dextron III AND boxes that take Mercon. There is no Mercon III.
Post Fiend
Joined: May 2004
Posts: 11,289
Likes: 6
From: Lakewood, Ohio
make sure you drain convertor, new filter and fluid and do not tighten the bolts too tight.
i recommend lucas trans treatment also. warm it in hot water so it flows easier and put it in after a gallon or so of mercon is in trans.
also, a product named 'shudder fixx' is a good thing. do a google search on it for where to buy it in your area.
i recommend lucas trans treatment also. warm it in hot water so it flows easier and put it in after a gallon or so of mercon is in trans.
also, a product named 'shudder fixx' is a good thing. do a google search on it for where to buy it in your area.
Last edited by quicklook2; Feb 9, 2006 at 10:35 AM.
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Senior User
Joined: Feb 2006
Posts: 100
Likes: 0
From: DFW
I have a '96, 302 auto....
that had almost the same thing around 65-70k miles. A fluid change corrected the problem. It also had a stutter when upshifting from 3-4. I had replaced the air cleaner with a K&D and when I changed it back to stock paper, the stutter went away.......must have affected the vaccuum somehow......chris3
Post Fiend
Joined: May 2004
Posts: 11,289
Likes: 6
From: Lakewood, Ohio
to drain convertor you need to pull a rubber plug below convertor remove the inspection plate to rotate convetor. align drain hole/bolt to hole and drain.
do this and remove pan and put in another filter and use shudder fix and lucas trans. treatment and new fluid and you may get rid of shudder.
do this and remove pan and put in another filter and use shudder fix and lucas trans. treatment and new fluid and you may get rid of shudder.
New User
Joined: Mar 2006
Posts: 5
Likes: 0
Originally Posted by quicklook2
to drain convertor you need to pull a rubber plug below convertor remove the inspection plate to rotate convetor. align drain hole/bolt to hole and drain.
do this and remove pan and put in another filter and use shudder fix and lucas trans. treatment and new fluid and you may get rid of shudder.
do this and remove pan and put in another filter and use shudder fix and lucas trans. treatment and new fluid and you may get rid of shudder.