SureTrack Community Fix: Falling out of Gear

Real Fixes from the Snap-on SureTrack® expert information resource are documented issues from actual shop repair orders and community discussions. Read on to see how SureTrack can help you correct issues that are not easily diagnosed using OEM information alone. SureTrack is currently available free with the purchase of a current Snap-on® diagnostic software version.

So your customer had their transmission rebuilt somewhere but it still doesn’t work right? You tear it apart and everything looks great. What’s your next step? SureTrack community member MIKE1968 had a Ford F150 in the shop that would fall out of gear when coming to a stop. They posed their question to the community, and with the help of fellow community member 1Quick6 and others, they were able to resolve the issue quickly.

The following Community Fix summarizes the interaction between members of the community that led to the solution.

Vehicle
2007 Ford Pickup F150 5.4L

Title
Falling out of gear, replaced valve body.

Complaint
Customer complains that truck falls out of gear when coming to a stop.

Diagnostic Steps Performed/Parts Replaced
Test drove truck and confirmed that it falls out gear when coming to a stop. 120,000 miles on truck. No codes in system. Previously had transmission rebuilt. Found black ash in pan, tore down transmission, everything looks great, has new converter, all new clutches and solenoid block. What else could cause the falling out of gear every time it stops?

Best Answer from Community Member 1Quick6
Many things can cause this, especially after overhaul. Worn valve body, bad EPC solenoid, incorrect assembly of the gear train.

Cause
Valve body causing issue.

Correction
Replaced valve body. Truck operates as good as new. Thanks for the input.


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About the Author

Nick Taylor

Nick Taylor is the SureTrack Community Administrator and a Senior Applications Specialist at Mitchell 1 with over 25 years of experience with electronic repair data systems. Nick previously worked in the automotive dismantling and engine rebuilding industries.