Volkswagen Amarok 2011 Workshop Manual page 6

Amarok 2011 ➤ , Beetle 2012 ➤ , Bora 1999 ➤ , CC 2010 ➤ , CC 2012 ➤ , ...
Air conditioning system with refrigerant R134a - Edition 10.2014
7.2 Purging (cleaning) refrigerant circuit with refrigerant R134a . . . . . . . . . . . . . . . . . . . . . . . .
8 Complaints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
8.1 Possible complaints about refrigerant circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
8.2 Smells from heater and air conditioner unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
9 Connecting air conditioner service station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
9.1 For vehicles that have connections on both low-pressure and high-pressure sides of
refrigerant circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
10 Checking pressures on vehicles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
10.1 Checking pressures in refrigerant circuit (using air conditioner service station) . . . . . . . . 127
10.2 Checking systems with a restrictor and collector (with internally regulated air conditioner
compressor) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
10.3 Checking systems with an expansion valve and reservoir (with internally regulated air
conditioner compressor) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
10.4 Checking systems with an expansion valve and reservoir (without regulated air conditioner
compressor) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
10.5 Checking systems with a restrictor and reservoir and air conditioner compressor regulating
valve N280 (with externally regulated air conditioner compressor) . . . . . . . . . . . . . . . . . . 143
10.6 Checking systems with an expansion valve, receiver and air conditioner compressor
regulating valve N280 (with externally regulated air conditioner compressor) . . . . . . . . . . 148
10.7 With expansion valve, receiver and electrical air conditioner compressor . . . . . . . . . . . . . . 158
11 Renewing components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
11.1 In the event of leaking or damaged components (apart from the air conditioner compressor,
receiver or reservoir) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
11.2 Renewing air conditioner compressor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
11.3 Renewing receiver or reservoir, and restrictor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
12 Testing equipment and tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
12.1 List of test equipment, tools and materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
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