Powertrain
generic / SAE
P2B86
Coolant Pump A Overspeed/Air in System
The coolant pump A runs above the calibrated maximum speed without producing the expected flow. Indicates air pocket in the coolant loop.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberB / 86
Possible causes
- Air pocket in coolant loop high
- Coolant level low medium
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 200–1000 €
- Estimated time: 1–4 h
- Component: coolant pump a
- Component: engine coolant loop
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012