'95 xmission shudder

[hanssolo]

around 33mph the tranny shudders until you speed up or slow down. anyone have this? only 26k original miles. also this tranny has always shifted slow as heck all its life. think only thing to solve that is a shift kit.

[C. Cleve]

Hi, Lot's of Ford Technical service bullitins on your problem, I need info, Engine?, Build date? Trans?, AODE or 4R70W? See Ya, Clay...

[hanssolo]

4.6L, 4R70W. I'm having trouble de-coding VIN. I get "it has special characters or IOQ " when I try to pull it up on internet. I can't believe theres nothing on VIN on this website when doing a "search". This is the VIN: 2melm74wosx648868.

[cobradude360]

2me- mercury, canada passenger car
l- actice safety belts, all positions, first generation air bags, crown victoria, grand marquis
m74- Grand marquis GS
w- 4.6L 281ci, electronic fuel injection, single over head cam, built in Romeo michigan
o-?
s- 1995
x- built in the st.thomas plant in ontario canada
12 through 18.: Production Sequence number- 648,868 (600,001 and up arelincoin and mercury)
hope this helps all info is stright from http://www.crownvic.net/liquid/data.html

[C. Cleve]

Hi, Checked out the TSB's...For the most part they deal with a fluid change for the trans mission, useing mercon fluid, fluid break down being the culprit, There is one TSB for a recalibration of the ECM, That's a dealer thing, Should cost about $90. Just a little advice from a retired ford trans tech, The AVERAGE trans fluid life is 20 to 30K at best.....See Ya, Clay...

[hanssolo]

Interesting, thanx Clay. Will get it changed next check-up & talk to dealer.

[hanssolo]

C. Cleve- thanx, CSBs were correct. Tranny 100% better. I've never had a vehicle that responded to a fluid change this much. Oh well.