Installation Procedure

Fig 1: View Of Crossover Tube To Fuel Tank O-Rings & Alignment Feature

Courtesy of GENERAL MOTORS CORP.

Lubricate the right crossover tube to fuel tank connection O-rings (1-4) with P/N 1051717 rubber lubricant.

IMPORTANT: Note the location of the T-shaped alignment feature (5) between the jet pump feed/return pipes connector.

Fig 2: View Of Crossover Tube

Courtesy of GENERAL MOTORS CORP.

Lubricate the crossover tube O-ring mating surfaces (1-4) with P/N 1051717 rubber lubricant.

Fig 3: View Of Crossover Tube

Courtesy of GENERAL MOTORS CORP.

IMPORTANT:

Note the T-shaped alignment feature (2) on the crossover tube.
The crossover tube will not fully seat into the fuel tank if the jet pump lines are misaligned.

Connect the crossover tube to the right fuel tank using the features previously noted.

Fig 4: Locating Crossover Tube Collar

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: The crossover tube collar tangs will not latch if misalignment exists.

Fig 5: Locating Air Inlet Hose

Courtesy of GENERAL MOTORS CORP.

Rotate the crossover tube CPA retainer counter-clockwise past the collar latching tang and push the tab (1) into the locked position.

IMPORTANT: If the CPA retainer is locked into position, the crossover tube collar will not rotate.

Test the crossover tube to fuel tank connection by attempting to rotate the crossover tube collar counter-clockwise.
Repeat steps 1 through 6 for the left side fuel tank.
Snap the crossover tube into the clamp located above the transmission.
Install the driveline support assembly. Refer to Driveline Support Assembly Replacement in Propeller Shaft.