Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks



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#39463 07/22/05 05:38 PM
Joined: Jul 2004
Posts: 118
Shade Tree Mechanic
OP Offline
Shade Tree Mechanic
Joined: Jul 2004
Posts: 118
Have a problem but can not figure out solution.

Top motor and pump have been bench tested and work correctly however when I attach hoses, which go to the lift clyinders the motor, seems to work ONLY in the up mode. When i go to down mode nothing happens. The motor does not seem to be engaging or working in the down mode. Is it possible that clog in either the line or lift cylinder would make this happen? When I disconnect the hoses the motor makes the same sound in both up and down modes. WHen teh hoeses are connected the motor makes sound only in teh up mode. Any of this make sense?


John
31 Chevy Sedan
55 Pontiac Starchief Convertible
www.rdgsons.com/vcca/yc1.jpg
Wilwood Engineering1955-1957

Willwood Engineering

Wilwood Engineering designs and manufactures high-performance disc brake systems.
Wilwood Engineering, Inc. - 4700 Calle Bolero - Camarillo, CA 93012 - (805) 388-1188


Joined: Dec 2001
Posts: 10,379
Likes: 1
Technical Advisor
ChatMaster - 10,000
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Technical Advisor
ChatMaster - 10,000
Joined: Dec 2001
Posts: 10,379
Likes: 1
I would remove the pump and disassemble it. In addition to an electrical change with the Up/Down button you also have a mechanical change. Check for debris and smooth operation of the interior parts.

Yes, it could still be problems with hoses and cylinders.

Agrin


RAY


Chevradioman
http://www.vccacolumbiariverregion.org/



1925 Superior K Roadster
1928 Convertible, Sport, Cabriolet
1933 Eagle, Coupe
1941 Master Deluxe 5-Passenger Coupe
1950 Styleline Deluxe 4-Door Sedan
1950 Styleline Deluxe Convertible
2002 Pontiac, Montana, Passenger Van
2014 Impala, 4-Door Sedan, White Diamond, LTZ
2017 Silverado, Double Cab, Z71, 4X4, White, Standard Bed, LTZ

If you need a shoulder to cry on, pull off to the side of the road.
Death is the number 1 killer in the world.


Joined: Jul 2004
Posts: 118
Shade Tree Mechanic
OP Offline
Shade Tree Mechanic
Joined: Jul 2004
Posts: 118
Guys,

Problem has been fixed and top is working fine. Thanks


John
31 Chevy Sedan
55 Pontiac Starchief Convertible
www.rdgsons.com/vcca/yc1.jpg
Joined: Dec 2001
Posts: 10,379
Likes: 1
Technical Advisor
ChatMaster - 10,000
Offline
Technical Advisor
ChatMaster - 10,000
Joined: Dec 2001
Posts: 10,379
Likes: 1
We are not gonna let you get away with that. WHAT WAS THE PROBLEM??????

Agrin


RAY


Chevradioman
http://www.vccacolumbiariverregion.org/



1925 Superior K Roadster
1928 Convertible, Sport, Cabriolet
1933 Eagle, Coupe
1941 Master Deluxe 5-Passenger Coupe
1950 Styleline Deluxe 4-Door Sedan
1950 Styleline Deluxe Convertible
2002 Pontiac, Montana, Passenger Van
2014 Impala, 4-Door Sedan, White Diamond, LTZ
2017 Silverado, Double Cab, Z71, 4X4, White, Standard Bed, LTZ

If you need a shoulder to cry on, pull off to the side of the road.
Death is the number 1 killer in the world.



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