Coolant Pump Toothed Belt, Checking
Procedure
-- Loosen the hose clamps -1 and 2- and remove the air duct pipe.
-- Free up air guide hoses from the air duct pipe.
-- Disconnect the connector -1-.
-- Release the catches -arrows-, and remove the air duct pipe.
-- Push the release button, and remove the EVAP canister hose -1-.
-- Remove the bolts -arrows- and remove the crankcase ventilation hose.
Risk of chemical damage to the coolant pump seal due to oil entering between the coolant pump and cylinder head.
If an O-ring or both O-rings are damaged replace the crankcase ventilation hose.
Coat the new O-rings with engine oil before installing.
-- Cover the coolant pump with a cloth.
-- Free up the wiring harness -arrows-.
-- Remove the bolts -1 and 3- and remove the toothed belt guard -2- for the coolant pump toothed belt.
-- Turn the crankshaft at the crankshaft belt pulley bolt in the direction of engine rotation and then check the entire toothed belt for the following conditions:
- Cranks, cross-sectional breaks, tears (on side of cover) -arrow-
- Lateral movement
- Fraying of cords
- Tears (in tooth base) -arrow-
- Separation (toothed belt body, belt cords)
- Surface cracks (plastic shroud)
- Oil or grease contamination
It is essential to replace toothed belt if malfunctions are found. This will prevent any belt malfunctions. Replacing the toothed belt is a repair procedure.
Assembly is done in the reverse order.
| Tightening specification | Nm |
|---|---|
| Bolt for the toothed belt guard | 8 |
| Bolt for the crankcase ventilation | 9 |