What causes a water pump to leak on a VW?

What causes a water pump to leak on a VW?

The expansion tank often becomes brittle and leaks below its location (in front of the driver’s side wheel on most models). When a VW water pump is leaking, you’ll usually find a trail of coolant from the water pump area down to the lowest point of the engine (depending of model).

What are the signs of a bad water pump in a Volkswagen Tiguan?

Your Volkswagen Tiguan’s water pump is one of the most crucial parts of the engine. If it doesn’t pump water through the engine, it’s going to overheat and do a lot of damage. Typical signs of a bad water pump include overheating, white smoke, a bad smell, rough idle, and more.

What was the settlement in the VW water pump case?

That information can be found in the engine water pump settlement notices for Volkswagen customers and Audi customers. Attorneys for the plaintiffs will receive $2.4 million. The VW water pump class action was filed in the U.S. District Court for the Northern District of California: Coffeng, et al. v. Volkswagen Group of America, Inc.

How much does it cost to replace a VW water pump?

The lawsuit alleges engine water pump failures cost between $900 and $1,200 to replace the pumps. An overheated engine will run rough and stall, destroying the engine components. Vehicles with manual transmissions will allegedly suffer from drive wheels that lock and cause control problems.

When to replace waterboxer head and gasket on Vanagon?

Now check for leaks at the vent hole on the underside of the pump. If its leaking, this a great time to replace it, since its much easier with the heads off and the cooling system drained. Unbolt the intake manifolds complete with the fuel hoses and injectors, and tie them up out of the way.

What causes waterboxer head and gasket to leak?

It can be oil or coolant that’s dripping from the heads. Washing the engine is very helpful when looking for leaks. If the push rod tubes are leaking or if a lifter has collapsed, you can use an expanding push rod tube, which is available at the dealer for $50 each, or in the aftermarket for about half of that.

How do you replace the gasket on a Volkswagen?

Volkswagen has a special tool (#3090) that supports the connecting rod while you install the wrist pin. One possible solution is to modify a coathanger to do this, but I find it faster to remove the engine and reinstall pistons and cylinders on the engine stand, because I can rotate the engine onto its side.

When to replace a VW water pump timing belt?

When nearing a timing belt and VW water pump replacement (60,000 – 90,000 miles), many owners carefully research different VW timing belt kits and the individual components. If you’ve researched VW water pumps at all, you may have noticed a controversy regarding metal impellers and plastic impellers?

What kind of coolant does a VW water pump use?

Use only Audi VW G12 antifreeze coolant which was included in your timing belt kit (G11 pre 1997). These bottles contain coolant that is concentrated. You must dilute the coolant. Mix 50% coolant and 50% DISTILLED water. DO NOT mix normal tap water with new coolant.

What should I do if my water pump is leaking?

All aftermarket cooling system additives or stop leak products that may have been added to the cooling system (past or present) should be completely flushed! Thoroughly flushing the coolant involves the engine block, radiator, heater core, and hoses. Only use tap water to flush the entire cooling system. Do NOT use cooling system flush products.