Contents Section: Cooling System (mechanical) All sections

Cooling System Removal & Installation Audi V8 4C

Cooling System (mechanical) 10 illustrations ~265 words
  1. Remove coolant expansion tank.
  2. Remove sound insulation cover. (Scheme 1)
  3. Drain coolant from radiator. (Scheme 2)
  4. Drain coolant from engine block left and right and left sides. (Scheme 3)

Scheme 1

Scheme 1

Scheme 2

Scheme 2

Scheme 3

Scheme 3

FLUID

Only use phosphate-free antifreeze containing ethylene glycol (G 001 1V8A).

CAPACITY

Cooling system capacity is 8.9 qts. (8.5 L).

DRIVE BELT ALIGNMENT

Guide alignment gauge (3201) onto ribbed belt pulley for air conditioner compressor. (Scheme 4) The poly-ribbed belt for the central hydraulic pulp must be in adjustment with the poly-ribbed belt pulley for the air conditioner compressor.

If the two toothed belt pulleys are not in alignment, adjustment is necessary. Remove bolts securing ribbed belt pulley for central hydraulic pump. Using shims, thickness of 0.02, 0.04, and 0.06 inch (0.5, 1.0, and 1.5 mm), adjust the pulleys until they are in alignment. (Scheme 5)

Scheme 4

Scheme 4: DRIVE BELT ALIGNMENT

Scheme 5

Scheme 5

DRIVE BELT ADJUSTMENT

The vehicle is equipped with an automatic tensioner. No tension adjustment is necessary.

DRIVE BELT ROUTING

For drive belt routing (Scheme 6)

Scheme 6

Scheme 6: DRIVE BELT ROUTING

Removal and installation procedures not available from manufacturer.

For removal and installation of expansion tank and coolant pipes. (Scheme 7)

Scheme 7

Scheme 7: Removal & Installation

For removal and installation of the thermostat (Scheme 8)and (Scheme 9). Tighten thermostat housing bolts to 89 INCH lbs. (10 N.m).

Scheme 8

Scheme 8: Removal & Installation

Scheme 9

Scheme 9

Water pump is driven by timing belt. To remove timing belt, see 3.6L V8 - DOHC VINS [L,M] article. For removal and installation of the water pump (Scheme 10) Tighten water pump bolts to 89 INCH lbs. (10 N.m).

Scheme 10

Scheme 10: Removal & Installation