A common problem for an LLV postal truck is a transmission fluid leak at the speedometer drive gear on the side of the transmission. This video will show you how to repair this transmission leak at the seal. LLV stands for the Grumman Long Life Vehicle, which the United States Postal Service (USPS) for all mail delivery. More than likely, it's an O-ring problem (speedo seal) where the speedometer cable attaches.
How to Fix a transmission leak at the speedometer drive gear on an LLV postal truck
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