C7 Industrial Engines – Fuel Pressure Regulator Replacement

Removal Procedure

First you have to find the fuel pressure regulator, it is located on the back of the cylinder head as you can see in the picture.

Illustration 1 g01181229
1. Disconnect tube assembly (1) from fuel pressure regulator (2) .
2. Remove fuel pressure regulator (2) from the cylinder head.

Installation Procedure

Illustration 2 g01181229
Note: Ensure that the orifice in fuel pressure regulator (2) is open and clean.

1. Install fuel pressure regulator (2) in the cylinder head at a 10 degree angle from the horizontal centerline.
2. Connect tube assembly (1) to fuel pressure regulator (2) .

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