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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Apr 2005 Posts: 2,097 'Bolter | | 'Bolter Joined: Apr 2005 Posts: 2,097 | This is a common powerglide problem. It's true that if it is driven often it is less likely to occur. Some guys jack up the rear when it is parked for a while. The cast iron PG's have what is called the "burp" which is caused by a failure in the one-way valve in the pump assy. Danchuk and Classic Chevy Int sell a one-way valve that is installed in one of the trans cooler lines which can help.
Fred
Last edited by rfs56trk; 07/11/2009 3:57 PM.
1956 3100 Pickup/Red/350/3sp OD/PS/Disc Brakes
1957 Bel Air Sport Coupe/Red/355/TH350/PS/Disc Brakes
2017 Silverado LT Single Cab SB/Black/5.3/6 Speed Trans
1947 Willys CJ2A w/F-Head engine
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