4r100 issues - Ford Powerstroke Diesel Forum
 
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post #1 of 1 Old 03-18-2011, 04:02 AM Thread Starter
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4r100 issues

Well the truck has 230000 on it, the trans has about 170000 on it. I have the fluid and filter changed yearly on because I tow a lot with it. The issue started last summer, during time I would get a 5 to 7 second delay when I shift from Reverse (r) to Drive (D). This only seems to happen if I let the truck idle in park or neutral after the temps are up. It just kinda seems to sit in neutral till it builds up pressure and than kinda falls into gear. I took it to one shop two weeks ago, he put it on a scanner, told me no codes, doesnt slip and he dropped the pan, checked shift solenoids and what he could inside. They told me fluid was clean, no clucth material and they changed out the fluid and filter. Well, this issue is driving me nuts. Any help is appreciated. I read in a article that there is a plug in the forward clutch drum that can work its way loose and cause pressure problems. The trans shifts normal going down the road.

Sorry for the long post.

99.5 F250 ECSB 4X4
MBRP 4" TB
4 pos chip, 50-75-110-140
Suncoast Trans, deep pan
6.0 Trans cooler

Last edited by bmfox; 03-18-2011 at 04:05 AM. Reason: update
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