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Refrigerant System, Fastener Tightening Specifications

Component Fastener Size Nm
A/C Refrigerant Line to A/C Compressor, Bolts   22 +/- 1
2.0L Engine
A/C Compressor Sub-Assembly Bracket to Engine, Bolts M10 x 45 40
A/C Compressor to A/C Compressor Sub-Assembly Bracket, Bolts M8 x 100 25
3.6L Engine
A/C Compressor Sub-Assembly Bracket to Engine, Bolts   25
A/C Compressor to A/C Compressor Sub-Assembly Bracket, Bolts M8 x 100 25
Ribbed Belt Pulley, Zexel
Overload Protection to A/C Compressor, Bolt   20
Overload Protection to Ribbed Belt Pulley, Bolts   5
Ribbed Belt Pulley, Sanden
Overload Protection to A/C Compressor, Bolt   25
Overload Protection to Ribbed Belt Pulley, Bolts   4.5
Condenser to Radiator, Bolts   5 +/- 0.5
Dryer Cartridge Cover, Cap   1.2 +/- 0.3
Evacuating and Charging Valve Insert   2 +/- 0.2
Expansion Valve Heat Shield, Bolt   2.5
Expansion Valve Heat Shield, Nut   4.5
Expansion Valve to Heating and A/C Unit, Bolts   5
High Pressure Sensor   8 +/- 1
Refrigerant Lines to Expansion Valve, Bolts   10 +/- 1
Refrigerant Lines to Condenser   12 +/- 1

3.6L Sub-assembly Bracket Tightening Sequence 

Fig 1: Identifying 3.6L Sub-assembly Bracket Tightening Sequence
GWWA13-0824Courtesy of VOLKSWAGEN UNITED STATES, INC.
NOTE:

Bolts -1- and -2- are fitting bolts.

-- Tighten the bolts hand-tight in the following sequence: 1 through 5.

-- Tighten the bolts to 25 Nm in the following sequence: 1 through 5.