Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

If a crows foot is used to torque the sensor then special attention to the position of the crows foot in relation to the torque wrench is required.
Install the sensor and a NEW metal gasket to the function block.

Fig 1: Installing Sensor To Function Block

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice in Cautions and Notices.

If the crows foot is kept perpendicular (90 degrees) to the torque wrench during the entire tightening procedure, then the torque wrench can be set to the listed torque specification.
Tighten: Tighten the sensor to 70 N.m (52 lb ft).

Fig 2: Crow Foot (90 Degrees)

Courtesy of GENERAL MOTORS CORP.

Connect the sensor (1) electrical connector.

Fig 3: Fuel Rail Pressure Sensor

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Install the A/C compressor. Refer to Compressor Replacement (L18) or Compressor Replacement (LB7) or Compressor Replacement (LR4, LM7, and LQ4) in Heating, Ventilation, and Air Conditioning.