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Engine Oil Cooler Replacement
 
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Pelican Technical Article:

Engine Oil Cooler Replacement

Jared Fenton

Time:

2 hours2 hrs

Tab:

$250

Talent:

****

Tools:

Flathead screwdriver, T30 Torx driver, drain pan, floor jack, two jack stands, two wheel chocks, safety glasses

Applicable Models:

Volvo C30 T5 (2008-13)
Volvo C30 T5 R-Design (2008-13)

Parts Required:

Oil cooler

Hot Tip:

Drain the coolant and engine oil beforehand

Performance Gain:

Better cooling

Complementary Modification:

Change engine oil

The oil cooler on the Volvo C30 is mounted on the rear of the oil pan. It uses engine coolant and to a lesser extent, airflow to cool the engine oil. Cooling the engine oil is vital on turbocharged engines.

Over time, oil coolers can corrode internally. This eventually leads to both oil and coolant leaks. Having the coolant mix with the engine oil can damage the engine. In this article, I'll go over the steps involved with changing the oil cooler.

Replacing the oil cooler is pretty easy although it does require you to jack up the front end of the car as well as draining both the engine oil and the coolant. See our articles on Jacking up Your C30, Engine Oil Change and Coolant Flush and Replacement for more information.

The oil cooler is located at the rear of the oil pan as shown here.
Figure 1

The oil cooler is located at the rear of the oil pan as shown here. Loosen and remove the four T30 Torx screws holding the oil cooler to the oil pan.

Now loosen the hose clamps holding the coolant lines to the cooler (green arrows) and pull the coolant lines off.
Figure 2

Now loosen the hose clamps holding the coolant lines to the cooler (green arrows) and pull the coolant lines off. Have a drain pan nearby to catch the oil and coolant that leaks out.

Turn the oil cooler to one side to let all the oil drain out.
Figure 3

Turn the oil cooler to one side to let all the oil drain out.

When installing the new oil cooler, replace the two sealing rings (green arrows) shown here.
Figure 4

When installing the new oil cooler, replace the two sealing rings (green arrows) shown here. All that's left to do is clean the mating surface on the oil pan, attach the new cooler and hook the coolant lines back up. Of course, make sure you have fresh engine oil in your C30's engine.

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