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toolguy |
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#1
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Senior Member ![]() ![]() ![]() Group: Members Posts: 1,270 Joined: 2-April 11 From: San Diego / El Cajon Member No.: 12,889 Region Association: Southern California ![]() ![]() |
I've got an original 6 with the factory fuel pump. . after sitting for 6 months, the pump runs but has low fuel pressure on the carb side. . Has great pressure on the tank return side. .no line obstructions. . . tested out of the car. . . won't lift fuel over level in the tank. . . anyone ever tried to adjust or repair one
Read down. . . Fixed !!! Attached thumbnail(s) ![]() |
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McMark |
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#2
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914 Freak! ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None ![]() |
I was able to find the o-rings in fuel-safe Viton, and have been able to get into the pumps to replace them. But there are two MAJOR issues with resealing a pump.
1. The outer housing is crimped onto the motor. These crimps are very difficult to pry apart and even harder to reinstall. If I were to even have a hope of making a reseal job work, I would expect to make special tooling to release and make those crimps. 2. The small silver 'button' on the side is the internal pressure relief. That cover is also crimped on, so there is a similar issue to #1, but also there is a seal inside that I haven't located (or tried). The best bet is to call Fuel Injection Corp (925-371-6551). They rebuild the 914-4 pumps, including machining a new pressure relief cap (button) from solid aluminum. They should be able to rebuild your pump. Keep us posted. I have two 914-6 pumps that need rebuilding. |
rgalla9146 |
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#3
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Advanced Member ![]() ![]() ![]() ![]() Group: Members Posts: 4,579 Joined: 23-November 05 From: Paramus NJ Member No.: 5,176 Region Association: None ![]() ![]() |
I was able to find the o-rings in fuel-safe Viton, and have been able to get into the pumps to replace them. But there are two MAJOR issues with resealing a pump. 1. The outer housing is crimped onto the motor. These crimps are very difficult to pry apart and even harder to reinstall. If I were to even have a hope of making a reseal job work, I would expect to make special tooling to release and make those crimps. 2. The small silver 'button' on the side is the internal pressure relief. That cover is also crimped on, so there is a similar issue to #1, but also there is a seal inside that I haven't located (or tried). The best bet is to call Fuel Injection Corp (925-371-6551). They rebuild the 914-4 pumps, including machining a new pressure relief cap (button) from solid aluminum. They should be able to rebuild your pump. Keep us posted. I have two 914-6 pumps that need rebuilding. Got a couple myself. Anyone using one of the new Pierburg carb fuel pumps ? |
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