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Cadillac convertible 1947

Started by urgestein1, May 01, 2017, 02:58:29 PM

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urgestein1

Hello from Austria,
my wiper motor works very poor We ve tested the motor ( with the original fuel pump, and an external elictrical pump) and it worked very poor! The vacuum from the fuel pump is very low, 4 or 5 years ago we repaired the fuel pump with a repair kit! I drive the car very seldom, is it possible that the fuel pump is already weak again? Wiperman.com said this design of wiper motor is a failure! Does anyone have some idea for me? Caddydaddy has also no solution for me.....
Thanks very much
rene
Rene Leeb from Austria

Steve Passmore

Most likely the problem is the Vacuum motor. The motor works by manifold vacuum and the fuel pump is just to help it when the venturi in the carburettor is open and the vacuum is low. You should not rely on the pump alone.    These vacuum pumps do not last forever and chances are it was never lubricated in the cars early days hence the internal body gets scored and worn.   New pumps turn up on eBay from time to time. pumps for other models can be modified and there are even electric conversions.

http://www.forwhatyouneed.com/index.htm
Steve

Present
1937 60 convertible coupe
1941 62 convertible coupe
1941 62 coupe

Previous
1936 70 Sport coupe
1937 85 series V12 sedan
1938 60 coupe
1938 50 coupe
1939 60S
1940 62 coupe
1941 62 convertible coupe x2
1941 61 coupe
1941 61 sedan x2
1941 62 sedan x2
1947 62 sedan
1959 62 coupe