Water pump

F4R or F9Q or K4J or K4M

Essential special tools
Mot. 1448	Remote spring clamp pliers

Tightening torques
M8 water pump fixing bolts (K4J and K4M engines)	2.2 daN.m
M6 water pump fixing bolts (K4J and K4M engines)	1 daN.m
water pump fixing bolts (F9Q engine)	1 daN.m
water pump fixing bolts (F4R engine)	1 daN.m

REMOVAL

• Position the vehicle on a two-post lift.
• Disconnect the battery.
• Remove the engine covers.
• Drain the engine cooling system through the lower radiator hose using tool (Mot.

1448).

Remove:

• the accessory drive belt (Chapter Engine Top and Front),
• the timing belt (Chapter Engine Top and Front).

K4J or K4M

• Remove:

• the timing belt tensioner pulley,
• the water pump.

F9Q

• Remove:

• the five water pump fixing bolts (6),
• the water pump.

F4R

• Remove:

• the water pump fixing bolts,
• the water pump.

INSTALLATION

WARNING

• Do not scrape the aluminium mating surfaces.
• Wear gloves during the operation.
• Clean the mating surfaces with DECAPJOINT to dissolve any remaining gasket material.
• Apply the product to the area to be cleaned; wait approximately ten minutes, then remove the residue with a wooden spatula.

K4J or K4M

• Apply a 0.6 mm to 1 mm wide bead of LOCTITE 518 at (1).

Note: Apply one to two drops of LOCTITE FRENETANCH to the water pump fixing bolts (1) and (4).

• Refit:

• the water pump,
• the water pump fixing bolts.

• Tighten the M6 water pump fixing bolts to 0.8 daN.m and the M8 water pump fixing bolts to 0.8 daN.m.
• Tighten in the following order and to the following torques:

• the M8 water pump fixing bolts (K4J and K4M engines) (2.2 daN.m),
• the M6 water pump fixing bolts (K4J and K4M engines) (1 daN.m).

F9Q

WARNING

Always replace the water pump gasket each time the water pump is removed.

Note: Apply one to two drops of LOCTITE FRENETANCH to the water pump fixing bolts.

• Refit:

• the water pump,
• the water pump fixing bolts.

• Tighten the water pump fixing bolts (F9Q engine) to 1 daN.m, in sequence.

F4R

WARNING

Always replace the water pump gasket each time the water pump is removed.

Note: Apply one to two drops of LOCTITE FRENETANCH to the water pump fixing bolts.

• Refit:

• the water pump,
• the water pump fixing bolts.

• Tighten the water pump fixing bolts (F4R engine) to 1 daN.m, in sequence.

F4R or F9Q

• Refit:

• the timing belt (Chapter Upper and Front Engine, Timing Belt, page 11A-5).
• the auxiliary drive belt (Chapter Upper and front engine, Auxiliary drive belt, page 11A-1),

• Carry out:

• filling the cooling system (Chapter Cooling, Draining - filling the cooling system, page 19A-2),
• bleeding the cooling system (Chapter Cooling, Bleeding the cooling system, page 19A-4).

WARNING

Connect the battery; carry out the necessary re-learns (see Electrical Equipment chapter).

K9K

Essential special tools
Mot. 1448	Remote-action pliers for elastic clamp

Tightening torques
water pump fixing bolts	1.1 daN.m

REMOVAL

• Position the vehicle on a two-post lift.
• Disconnect the battery.
• Remove the engine covers.
• Drain the engine cooling system through the lower radiator hose using tool (Mot.1448).
• Remove:

• the accessory drive belt (Chapter Engine Top and Front),
• the timing belt (Chapter Engine Top and Front).

• Remove:

• the timing belt tensioner pulley (1),
• the accessory drive belt tensioner pulley (2).

• Disconnect the alternator electrical connections.
• Remove the upper alternator mounting (3).
• Loosen the lower mounting.
• Tilt the alternator forward.

• Remove:

• the three fixing bolts (4) of the inner timing cover,
• the inner timing cover.

• Remove:

• the five water pump fixing bolts (5),
• the water pump.

INSTALLATION

WARNING

• Do not scrape the aluminium mating surfaces.
• Wear gloves during the operation.
• Clean the mating surfaces with DECAPJOINT to dissolve any remaining gasket material.
• Apply the product to the area to be cleaned; wait approximately ten minutes, then remove the residue with a wooden spatula.

WARNING

Always replace the water pump gasket each time the water pump is removed.

Note: Apply one to two drops of LOCTITE FRENETANCH to the water pump fixing bolts.

• Refit:

• the water pump,
• the water pump fixing bolts (1) to (5).

• Tighten the water pump fixing bolts to 1.1 daN.m, in sequence.

• Refit the timing belt tensioner pulley, correctly positioning the pulley lug in the groove (7).
• Refit:

• the timing belt (Section Top and front of engine, Timing belt, page 11A-5),
• the drive belt (Chapter Upper and front engine, Drive belt, page 11A-1).

• Carry out:

• filling the cooling system (Chapter Cooling, Draining - filling the cooling system, page 19A-2),
• bleeding the cooling system (Chapter Cooling, Bleeding the cooling system, page 19A-4).

WARNING

Connect the battery; carry out the necessary re-learns (see Electrical Equipment chapter).