Expansion Valve, Removing And Installing: Installing

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Install in reverse order of removal and note the following:

-- Coat the new seals -1- with refrigerant oil before installing.

-- Slide the new seals -1- onto the connecting tubes -2-.

-- Check the refrigerant line for contamination and damage. If necessary, clean or replace.

-- Push the refrigerant line -2- by hand in the expansion valve.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Install the bolt -1- by hand.

-- Tighten the bolt -1-.

NOTE:

Ignore items -1, 3, and 4-.

A missing or incorrectly installed heat shield insulation -2- can reduce the output of the A/C system (change of the adjusted control characteristic due to radiant heat).

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

CAUTION:

There is a risk of damaging the A/C compressor if the refrigerant circuit is empty.

- Never start the engine with the refrigerant circuit empty.

Vehicles with Refrigerant R134a

-- Fill the refrigerant circuit. Refer to the appropriate service information .

-- Perform the leak test on the refrigerant circuit line connections that were closed again. Refer to the appropriate service information .

Vehicles with Refrigerant R1234yf

-- Charge the refrigerant circuit. Refer to REFRIGERANT CIRCUIT, CHARGING .

-- Perform the leak test on the closed line connections of the refrigerant circuit. Refer to LEAKS, FINDING .