Volvo Penta MD2030 water pump replacement

A different kind of video this time. We are getting Nova Vita ready for the 2024 season and there are always jobs to be done......
This time we thought we would film something different for you...READ ON...

Changing the coolant pump on a Volvo Penta MD2030 is a meticulous but manageable task.
Here is a brief description of the process.

Begin by disconnecting the negative terminal of the battery to ensure safety.
Drain the coolant from the system. You can suck out most of the coolant using a vacuum pump. Suck it out of the header tank and from the heat exchanger when the cap is removed. This will leave about 3 litres to drain via the plug. The coolant will 'mostly' go into the space under the engine, the rest will go into the bilges.
Next, undo/remove the hoses and belts connected to the pump, taking care to note their positions for reassembly.
Unbolt the old pump, being mindful of the position of any retaining bolts or brackets.
Clean the mounting surfaces thoroughly to ensure a proper seal for the new pump.
Install the new coolant pump in the reverse order, securing it snugly but not overly tight.
Reattach hoses, belts, and any other components removed earlier.
Refill the cooling system with fresh coolant, following manufacturer recommendations.
Finally, reconnect the battery and carefully inspect for leaks before running the engine to ensure everything is functioning correctly.


We are not mechanics but will tackle jobs that we believe to be within our capabilities.

If you are not sure about a job then our advice is to leave it to the professionals.

We found the job to be fairly straightforward but a little awkward at times, the drain plug for the coolant being particularly tricky. The crow's foot spanners and the universal joint made undoing this much easier.

The workshop manual can be found online from various sources.


⬇⬇⬇⬇Click on these useful LINKS* for the parts, tools, and other items used in this video⬇⬇⬇⬇


Coolant pump, thermostat, backplate, cap washer: https://www.parts4engines.com/

Nitrile gloves: https://amzn.to/3T61itW
to protect your skin...

Vacuum pump: https://amzn.to/48LGq0Z
These are extremely useful...

5 litres penta coolant: https://ebay.us/vJ50r2
Our system took 5 1/2 litres including the calorifier...

Small socket set: https://amzn.to/3ThgdCL
For easier jubilee clip work and small nuts and bolts...

3/8" drive universal joint: https://amzn.to/49w8t5r
Essential for a variety of jobs...

3/8" drive crows foot spanner set: https://amzn.to/3OZ1gCI
Use with the universal joint to reach almost anything...

Small torque wrench: https://amzn.to/49xvKnO
Large torque wrench: https://amzn.to/3wAiznp
I have 2 torque wrenches, 1 small, and 1 large to cover the range of jobs on board...

Hylomar Blue: https://amzn.to/49WQANf
Gasket sealing compound...

19mm internal diameter steel reinforced hose: https://ebay.us/j5fFYc
Always use high quality hose...

eBay 50% DISCOUNT ON TOOLS AND EQUIPMENT expires 2025/01/02: https://ebay.us/qqXwN1


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Music in the video used under licence from Pixabay:
River Tram : Lesfm
Relax Background: BoDleasons
Acoustic Vibe: RomanSenykMusic
Uplifting Piano Is: MoodMode
For Ever: Dream Protocol

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