Fuel pressure regulator replacement

DON MULLINS

MEMBER
1999 CHEVROLET TRUCK
V8
2WD
AUTOMATIC
130,000 MILES

1999 chev 3500 / 350 engine. Where is this part located on the motor? I've bought the part and can't find it anywhere around the fuel injection system.

Monday, April 11th, 2011 AT 4:40 PM

1 Reply

SATURNTECH9

MECHANIC
30,870 POSTS

Its under the upper intake manifold

REMOVAL PROCEDURE

CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.

Disconnect the negative battery cable.
Relieve the fuel system pressure.
Remove the upper manifold assembly.
DISASSEMBLY PROCEDURE

IMPORTANT: If the fuel pressure regulator is to be reinstalled, inspect the filter screen (if equipped) for contamination. If the filter screen is contaminated, replace the regulator.

Disassemble the fuel pressure regulator snap ring retainer.

Disassemble the regulator assembly and the O-rings.
Discard the O-rings.
ASSEMBLY PROCEDURE

Lubricate the new O-rings with clean engine oil.
Install the backup O-ring, the large O-ring, the filter and the small O-ring.

Assemble the regulator with the vacuum tube pointing down into the snap ring retainer.
INSTALLATION PROCEDURE

Install the upper manifold assembly.
Connect the negative battery cable.