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.
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HOMESERVICE MANUALSMINI2019COOPER BASE, 2D CONVERTIBLE, AUTOMATIC TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALCOOLING SYSTEM (MECHANICAL)ENGINE - REPAIR (F57)11 21 CRANKSHAFT WITH BEARINGREPLACING CRANKSHAFT (B36 ENGINE) (COOPER BASE)
2019 Mini Cooper Base, 2D Convertible, Automatic Trans
Replacing crankshaft (B36 engine) (Cooper base)
2019 Mini Cooper Base, 2D Convertible, Automatic TransSECTION Replacing crankshaft (B36 engine) (Cooper base)
Special tools required:
- 11 6 250
- 00 2 010
- 11 6 480
IMPORTANT:
Replace main bearing and connecting rod bolts.
When replacing the crankshaft, the main bearing shells and connecting rod bearing shells must be replaced.
There must be no oil in the blind holes (risk of cracking) .
Do not wash off screw coating.
Incorrect assembly of the crankshaft bearing caps will result in damage to the crankcase.
When replacing the crankshaft, the main bearing shells and connecting rod bearing shells must be replaced.
There must be no oil in the blind holes (risk of cracking) .
Do not wash off screw coating.
Incorrect assembly of the crankshaft bearing caps will result in damage to the crankcase.
Preliminary work needed:
- Remove BOTH TIMING CHAINS .
- Remove FRONT BOTTOM TIMING CASE COVER .
- Remove all PISTONS .
- Remove COUNTERBALANCE SHAFT .
Removal:
Check crankshaft SIDE CLEARANCE .
Fit special tool 11 6 250.
If the permitted side clearance is exceeded:
- Check crankshaft and guide bearing shells.
- Replace worn components.
NOTE:
All main bearing caps (1) are numbered within the highlighted area (bearing position 1 to 4).
The installation position must be maintained.
The main bearing cap 3 is installed as a thrust bearing.
The installation position must be maintained.
The main bearing cap 3 is installed as a thrust bearing.
Loosen the screws in the sequence (8) to (1).
Remove all main bearing caps.
RENDER: 1.0x
NO RELATED
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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.