Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
11 51 000 Removing and installing/replacing coolant pump (N63)
Only perform this work after engine has cooled down.
Recycling:
Catch and dispose of drained coolant in a suitable container.
Observe country-specific waste-disposal regulations.
Necessary preliminary tasks:
- Drain coolant . See 17 00 008 DRAINING AND ADDING COOLANT IN RADIATOR (N62TU, N63) .
- Remove drive belt .
Unlock and detach plug connections (1).
Unlock and detach all coolant hoses on coolant pump.
Release screws (2).
Tightening torque 11 51 1AZ, see 51 71 SEALS AND LOOSE BODY PARTS
Lift out coolant pump with a swivelling movement.
Installation:
Replace seal .
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.