Volvo V70 Coolant leak2008, D5
In an engine compartment like the V70 diesel even finding a leaking hose can be a challenge, since there are several hoses that are hard, if not impossible to see without removing covers and parts.
The engine under-cover can divert the leaking coolant, and make locating the leak difficult.
On this vehicle the main puddle location was at the back of the engine, approximately below the flywheel or gearbox front part.
From the top side no leaking hose could be seen, but on closer inspection coolant could be seen dripping on to and running down the side of the gearbox.
That indicates to the hoses connected to the EGR-cooler, but the hoses cannot be seen without clearing a path.
After removing parts preventing access and obstructing the view, the leaking hose was found to be a short 16mm hose ( a 90 dgr bend ) connecting the EGR-cooler to the top cover.
What needs to be removed?
To be able to see and get access to the hose, a few parts needs to be removed.
Whether or not all of them need removing is dependent of the type of cooler, but on this vehicle best access is obtained by removing:
After removing these parts there is just enough space to change the hose and securing the new clamps.
The engine under-cover can divert the leaking coolant, and make locating the leak difficult.
On this vehicle the main puddle location was at the back of the engine, approximately below the flywheel or gearbox front part.
From the top side no leaking hose could be seen, but on closer inspection coolant could be seen dripping on to and running down the side of the gearbox.
That indicates to the hoses connected to the EGR-cooler, but the hoses cannot be seen without clearing a path.
After removing parts preventing access and obstructing the view, the leaking hose was found to be a short 16mm hose ( a 90 dgr bend ) connecting the EGR-cooler to the top cover.
To be able to see and get access to the hose, a few parts needs to be removed.
Whether or not all of them need removing is dependent of the type of cooler, but on this vehicle best access is obtained by removing:
- Battery, and the box it is in
- Air Filter assembly, upper and lower part
- Loosing the clamps holding the cable harness running across the gearbox
After removing these parts there is just enough space to change the hose and securing the new clamps.
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If you are inexperienced working on projects like those mentioned on this blog, especially but not limited to
electrical or mechanical projects,please remember to read all safety precautions and use safety equipment.
Also remember that during the work, it is very possible to cause more harm to the vehicle than it initially had.
You might also void your vehicle insurance, create a hazardous condition, harm or even kill yourself or others.
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