How to replace a water pump on a Mercedes Benz?

How to replace a water pump on a Mercedes Benz?

Use a strap wrench as shown here to keep the pulley from turning as you remove the three 13mm bolts holding it in place. Loosen and remove the two hose clamps holding the water hose going from the water pump to the engine block. Then remove the hose.

Do you need constant fuel pressure to run a Mercedes?

Mercedes-Benz engines need constant fuel pressure to run correctly. If your engine is giving you trouble it might be time to replace your fuel pumps. Everything you need to do the job is contained in this article.

Where is the drain plug on a Mercedes 190E?

There is an access panel on the lower passenger side of the front bumper. This will allow you to get to the radiator drain plug. Remove the panel by pulling straight out on it. This will give you access to the drain plug. Turn it clockwise to drain the system. This plug can sometimes get corroded and break when turning.

How to keep your Mercedes Benz engine running?

Keep your fuel injectors clean and your engine running smooth by regularly replacing your fuel filter. Follow these instructions for a cleaner running engine. Mercedes-Benz engines need constant fuel pressure to run correctly.

Use a strap wrench as shown here to keep the pulley from turning as you remove the three 13mm bolts holding it in place. Loosen and remove the two hose clamps holding the water hose going from the water pump to the engine block. Then remove the hose.

There is an access panel on the lower passenger side of the front bumper. This will allow you to get to the radiator drain plug. Remove the panel by pulling straight out on it. This will give you access to the drain plug. Turn it clockwise to drain the system. This plug can sometimes get corroded and break when turning.

What happens when a water pump fails on a Mini Cooper?

When a water pump begins to fail, you’ll notice that the car tends to overheat at low engine speed, such as sitting at a stoplight. When you accelerate, the engine temperature will drop. Now, this is not always indicative of a water pump, but a good starting point.

How to replace a Mercedes 190E drive belt?

Place the Mercedes-Benz tool # 103-0040 (yellow arrow) in between the grooves on the housing and slowly rotate the fan until the tool engages the hole in the back of the pulley. Insert lower right shows what it looks like with the pulley off.

Place the Mercedes-Benz tool # 103-0040 (yellow arrow) in between the grooves on the housing and slowly rotate the fan until the tool engages the hole in the back of the pulley. Insert lower right shows what it looks like with the pulley off.

When a water pump begins to fail, you’ll notice that the car tends to overheat at low engine speed, such as sitting at a stoplight. When you accelerate, the engine temperature will drop. Now, this is not always indicative of a water pump, but a good starting point.