After-Run Coolant Pump: Service and Repair

After-Run Coolant Pump

Special tools, testers and auxiliary items required

• Hose clamps up to 25 mm dia. (3094)

• Hose clamp pliers (V.A.G 1921)

• Hose clamp pliers (VAS 6340)

Removing

Risk of scalding due to hot steam and hot coolant.

• When the engine is warm the cooling system is under pressure.

• Reduce pressure by covering coolant reservoir cap with a cloth and carefully opening.

- Open coolant reservoir cap.

- Disconnect vacuum hose - 1 -.





- Remove air guide pipe - arrows -.

- Disconnect electrical connector - arrow -.





• Lay a cloth below to catch dripping coolant.

- Clamp off coolant hoses - 2 and 3 - using hose clamps (3094) and remove coolant hoses from after-run coolant pump (V51).

• Ignore - 1 -.

- Spray rubber nubs - 2 and 4 - on after-run coolant pump (V51) retainer - 1 - with silicone free lubricating spray.





- Disengage rubber nubs from retainer - 3 - for after-run coolant pump (V51).

Installing

Installation is in reverse order of removal, note the following:

- Fill with coolant => [ Filling ] Service and Repair.