Alternator: Service and Repair

Generator, Removing And Installing

See Caution before beginning repairs on the electrical system.

- Note and if necessary, determine radio code for vehicles equipped with coded anti-theft radio/radio navigation system only foreign brands).
- Switch ignition off and disconnect battery Ground (GND) strap.

N0TE: Steps after reconnecting voltage supply.

Vehicles with 3.0 L 6-cylinder engine

Special tools and equipment







- 3299 ribbed belt installation tool with 3299/1 claw for tensioner
Removing







- Remove front engine cover -arrows-.

NOTE: Before removing ribbed belt, mark direction of rotation with chalk or felt-tip marker. Reversing the direction can destroy the belt.







- Move ribbed belt tensioner in direction of arrow to release tension on ribbed belt.
- Remove ribbed belt from power steering pump pulley.







- For vehicles with auxiliary heater, remove bolts -arrows- for exhaust pipe of stationary heater/auxiliary heater on noise insulation.







- Remove bolts or quick release screws -1- and -2- and remove front noise insulation.







- Cut cable ties -arrows-, open retainer for starter cable and remove cable.

Vehicles with automatic transmission







- Remove bracket for ATF lines, by unscrewing nuts -1- and -2-.


All:
- Unclip refrigerant line from bracket at oil pan.
- Disconnect electrical lines from generator.







- Remove bolts -arrows- and generator.

Installing
Installation is reverse order of removal, pay attention to the following:







- Make sure the ribbed belt is seated and installed correctly.
1. Generator
2. Ribbed belt
3. Power steering vane pump
4. A/C compressor
5. Crankshaft
6. Tensioner roller

- Start engine and check belt running.

Tightening torques

Component Nm
Generator to engine
M8 22
M10 45
Terminal 30/B+ to generator 16
Bracket for refrigerant line to oil pan 10
Bracket for starter wire to engine console 10