Compressor HVAC: Service and Repair

NOTE: The compressor bracket and related components can be removed and installed without having to open the refrigerant circuit.

Special tools required
- Torque wrench (5 - 50 Nm)




1 - Hex head bolt
- M8x100
- 25 Nm (18 ft lb)
2 - Washer
3 - Bracket for refrigerant hoses
4 - Hex head combination bolt
- M8x35
- 2.5 Nm (18 ft lb)
5 - Hex head combination bolt
- M8x50
- 25 Nm (18 ft lb)
6 - Compressor bracket
- Gas and and diesel engine bracket dimensions are different.
- Removing:
- Remove Poly ribbed belt for compressor see below.
- Remove bolts -1-.
- Remove compressor from bracket, swing away (leave refrigerant hoses connected) and secure in engine compartment with wire.
- Remove bolts -4- and -5-.
- Remove compressor bracket from engine.

CAUTION: Do not allow compressor to hang from refrigerant hoses unsupported.

7 - Tensioning roller
8 - Hex head combination bolt
- 20 Nm (15 ft lb)
9 - Compressor
- Manufacturer: Zexel
- With A/C clutch -N25-


NOTE: Before removing ribbed belt, mark direction of rotation. When installing the belt ensure it is correctly seated in the pulley.

Poly Ribbed Belt For Compressor

Removing
- Bring front end assembly (lock carrier) into service position.




- Loosen ribbed belt tensioner securing bolts -arrows- and remove ribbed belt.

Installing
- Install and route Poly ribbed belt over compressor and vibration dampener pulleys.




- Fit torque wrench to tensioner and rotate clockwise -arrow- until tension of 25 Nm (18 ft lb) is reached.
- Hold torque wrench in place and tighten one of the two securing bolts -A- to 20 Nm (15 ft lb).
- Tighten second securing bolt -A- to 20 Nm (15 ft lb).