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Old 05-09-2022, 05:04 PM
mr67gp mr67gp is offline
Senior Member
Join Date: Dec 2004
Location: Pocono Mountains, PA
Posts: 242

Just an update to this thread - it's been 18 months and I finally got the issues with my fuel filter resolved. Took the Chieftain for a ride after draining a couple of quarts out the transmission behaves the same. Single upshift, and no shift to 4th. I think this trans has to come out.

I also finally traced the coolant leak I though was coming from the intake manifold gasket. The expansion plug (freeze plug) in the rear of the left head has rusted through. Looks like the only way to deal with that is to pull the head. I'll start a separate thread on that.

Yay for old Pontiacs . . .

Jim K in PA
1967 GP HT 428
1967 GP convert 428
1957 Chieftain 4D HT

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