Expansion Valve, Removing And Installing, Rear: Installing

WARNING: This page is about a different car, the 2014 Volkswagen Touareg, 2013 Volkswagen Touareg, 2012 Volkswagen Touareg, and 2011 Volkswagen Touareg. However, it is still accessible from the selected car via links, so may be relevant.

Install in reverse order of removal and note the following:

-- Replace the seals -C and D-. Refer to the Parts information..

-- Make sure that the seals -C and D- are properly seated on connecting pipes to evaporator.

-- Place the expansion valve -B- on the connections on the evaporator.

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

NOTE:

The retaining plate -E- is installed on the connecting pipes. Make sure they are seated correctly when installing the expansion valve.

-- Attach the refrigerant lines -B and C- to the rear expansion valve.

Fig 1: Identifying Expansion Valve, Installation

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Install the bolts -A- (tightening specification 10 ± 1 Nm).

-- Replace the O-rings -D and E-. Refer to the Parts information..

-- Check the alignment pin -G- (installed in the low pressure line connection or in the expansion valve -F-, not installed in all connections) and sleeves -H- on refrigerant lines for damage and proper seating.

CAUTION:

- Never start the engine with the refrigerant circuit empty.

Vehicles with Refrigerant R134a

-- Fill the refrigerant circuit. Refer to REFRIGERANT CIRCUIT .

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

Vehicles with Refrigerant R1234yf

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

-- Perform the leak test on the closed line connections of the refrigerant circuit. Refer to REFRIGERANT CIRCUIT .