see also Water pump defects (pumps).
For 8kl. engine | For 16-cl. engine |
Coolant pump: 1 - body; 2 - impeller
For part numbers of replacement parts, see Here and Here (pumps of engines 8-cl. and 16-cl. not interchangeable).
Removing
Put the car on a two-post lift, apply the parking brake, turn off the ignition and disconnect the wire terminal "masses" from the battery.
Remove engine crankcase protection (see here).
Drain the liquid from the engine cooling system (see above).
Remove the right front wheel.
Remove accessory drive belt (see here).
Remove timing belt (see here).
Remove timing belt tensioner (see ibid).
Remove bolts 1, figures 13-9 and 13-10, fastening the water pump (interchangeable heads 8 and 10, extension, ratchet wrench).
Remove water pump 2.
Figure 13-9 - Removing the water pump on a car with a K4M engine: 1 - fastening bolt; 2 - water pump
Figure 13-10 - Removing the water pump on a car with a K7M engine: 1 - fastening bolt; 2 - water pump
For vehicles with K7M engine
Remove the water pump gasket. The water pump gasket must be replaced.
Installation
Clean the mating surfaces of the water pump and cylinder block from gasket residues and degrease.
For vehicles with K4M engine
Apply the adhesive (sealant) on the water pump with a roller 0.6... 1 mm wide in accordance with Figure 13-11 (adhesive, part number 7711427907).
Figure 13-11 - Applying sealant to the water pump of the K4M engine: 1 - water pump; 2 - sealant
Apply one or two drops of the composition "FRENETANCHE" on bolts 1 and 4, Figure 13-12, water pump mountings.
Figure 13-12 - The order of tightening the bolts for fastening the water pump of the K4M engine: 1...8 - water pump mounting bolts
Install water pump.
Install and tighten the required torque in the prescribed manner in accordance with Figure 13-12 the water pump mounting bolts (interchangeable heads 8 and 10, extension, ratchet wrench, torque wrench):
- bolt 1 (M8) water pump mounting 27 Nm (2.7 kgf·m);
- bolts 2...8 (MB) water pump mounting 10 Nm (1.0 kgf·m).
For vehicles with K7M engine
Install water pump with new gasket.
Figure 13-13 - The order of tightening the bolts for fastening the water pump of the K7M engine: 1...8 - water pump mounting bolts
Install and tighten to the required torque in the prescribed manner in accordance with Figure 13-13 the water pump mounting bolts:
- bolt 1 (M8) water pump mounting 22 Nm (2.2 kgf·m);
- bolts 2...8 (MB) water pump mounting 11 Nm (1.1 kgf·m).
Operations for all vehicle configurations
Install the timing belt tensioner pulley.
Install the timing belt.
Install the accessory drive belt.
Install the right front wheel.
Fill the engine cooling system (see above).
Install the engine crankcase protection.
Attach wire terminal "masses" to the battery.
Remove air from the engine cooling system (see above).