Magentis and Optima repair since 2000 of release
1. Engines
2. Greasing system
3. Cooling system
3.1. Specifications
3.2. Cooling liquid
3.3. Check of tightness of system of cooling
3.4. Check of a cover of a radiator under pressure
3.5. Check of density of cooling liquid
3.6. Radiator
3.7. Radiator fan
3.8. Water pump of the DOHC engine
3.9. Water pump of the V6 engine
3.10. SOHC engine thermostat
3.11. V6 engine thermostat
3.12. Tubes and hoses of system of cooling of the engine
4. Control and decrease in toxicity
5. Fuel system
6. Ignition system
7. Coupling
8. Transmission
9. Power shafts, axes
10. Suspension bracket
11. Steering
12. Brake system
13. Body
14. Central air
15. Electric equipment
16. Electric circuits


3.8. Water pump of the DOHC engine



1. Merge cooling liquid and disconnect a hose of a by-pass branch pipe of a radiator and a hose of restart-up of cooling liquid from the water pump.
2. Remove a driving belt and a pulley of the water pump.
3. Remove casings of a gear belt and the mechanism of a tension of a belt.
4. Turn out bolts of fastening of the water pump and then remove a generator support.
5. Remove the water pump from the block of cylinders.



1. Check each detail on lack of cracks, damages or wear and if necessary replace the pump assembled.
2. Turn a shaft of the water pump and check smoothness of rotation in the absence of noise.
3. Check absence of leakages of cooling liquid from the pump.

4. If there is a leak from an opening And, pump consolidation is faulty. If necessary, replace the water pump.



1. Clear of the remains of laying and an alien material a surface of consolidation of the water pump.

2. Establish a new sealing ring in a groove on the forward end of a pipe for cooling liquid, then humidify a sealing ring with cooling liquid. Do not use oil or lubricant.

3. Establish on the water pump new laying, establish the pump and fix it bolts.

Inhaling moment: 20–27 N • m

4. Establish the mechanism of a tension of a gear belt and a gear belt. Adjust a tension of a belt and establish casings of a gear belt.
5. Establish a pulley of the water pump and a driving belt, then adjust a belt tension.
6. Fill in in cooling system necessary amount of demanded cooling liquid.
7. Start up the engine and check absence of leaks from cooling system.

«on a step back
3.7. Radiator fan
on the following page»
3.9. Water pump of the V6 engine