Volvo Penta — Oil cooler, leakage check
Testing & diagnosis · Engine oil cooler (22312)
From a Volvo Penta service manual covering: TAD530GE, TAD531GE, TAD532GE, TAD722GE, TAD730G, TAD732GE, TAD733GE, TD520GE, TD720GE, tAd731GE. Check it applies to your exact model before use.
Applies to: Volvo Penta TAD530GE, Volvo Penta TAD531GE, Volvo Penta TAD532GE, Volvo Penta TAD722GE, Volvo Penta TAD730G, Volvo Penta TAD732GE, Volvo Penta TAD733GE, Volvo Penta TD520GE, Volvo Penta TD720GE, Volvo Penta tAd731GE
Before you start
- The oil cooler may not be repaired.
- The oil cooler should be the same temperature as the surroundings during the check.
Procedure
- Place a clamp on the oil cooler and make sure it is properly tightened.
- Plug the other connection.
- Connect the pressure-testing equipment.
- Place the oil cooler in a tub of water.
- Set the air pressure to 100 kPa and check for air bubbles.
- Increase the pressure to 500 kPa and hold for 1 minute; pressure may not drop.
- If pressure drops there is a leak and the oil cooler must be replaced.
Tools required
- Pressure-testing equipment 999 6662 Amazon
- Clamp for cooler 999 6685 Amazon
- Plug M26x1.5 942352 Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Test pressure 100 kPa then 500 kPa
- Hold 1 minute, no pressure drop
Source: Volvo Penta service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.