DDRP fuel pressure
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DDRP fuel pressure
Anybody done this?
After installing your new DDRP and you find that the pressure is lower than required ( Below 12 – 14) You will find a small pressure spring , and new o-ring included in the installation kit.
• Remove the DDRP from the vehicle.
• Position the DDRP in the horizontal position with the square mounting plate facing in the upwards position.
• Remove the 3 mounting screws holding the plate to the pump assy. After removing the mounting plate you will find, an o-ring seal, a small spring, and small check ball under the spring (do not remove the check ball )
• Replace the spring and O-ring. Reattach the mounting plate, paying close attention as to not pinch the sealing o-ring. Retighten the mounting screws to 55 inch lbs. Reinstall DDRP on the vehicle. This new spring will increase the psi about 5-6 lbs
After installing your new DDRP and you find that the pressure is lower than required ( Below 12 – 14) You will find a small pressure spring , and new o-ring included in the installation kit.
• Remove the DDRP from the vehicle.
• Position the DDRP in the horizontal position with the square mounting plate facing in the upwards position.
• Remove the 3 mounting screws holding the plate to the pump assy. After removing the mounting plate you will find, an o-ring seal, a small spring, and small check ball under the spring (do not remove the check ball )
• Replace the spring and O-ring. Reattach the mounting plate, paying close attention as to not pinch the sealing o-ring. Retighten the mounting screws to 55 inch lbs. Reinstall DDRP on the vehicle. This new spring will increase the psi about 5-6 lbs
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