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Joined: Oct 2021
Posts: 80
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Oct 2021
Posts: 80 |
There is oil in the vacuum line of the powerglide so I’m assuming the vacuum diaphragm is cracked. Once old diaphragm is removed can the new diaphragm be installed with transmission in car. Or does the plunger and body need to be in the up position for parts to line up. Besides the 1949-53 shop manual Is there a better manual that shows step by step on how to replace diaphragm. Thanks for your help.
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Joined: Jan 2002
Posts: 30,700 Likes: 141
ChatMaster - 25,000
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ChatMaster - 25,000
Joined: Jan 2002
Posts: 30,700 Likes: 141 |
Just remove the bolts, cover and spring and keep the valve in place. Put eveything back in the original place and it was always done with the transmission in the car, When the modulator leaks (vavuum) you usually get a lot of blue smoke from the exhaust.
Gene Schneider
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Joined: Oct 2021
Posts: 80
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Oct 2021
Posts: 80 |
Thanks, that's the way my schematic shows but did not know when cover is removed if the valve would shoot out.
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Joined: Oct 2021
Posts: 80
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Oct 2021
Posts: 80 |
If anyone is losing prowerglide trans fluid try replacing the vacuum diaphragm. I did and it cure my fluid loss.
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