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How to Replace the Bypass Valve Opel Astra G

OHC Petrol Engine 1 illustration

Remove oil filter – see operation "Oil Filter, Replace".

Using tap (1) (M10 – 3rd speed) cut thread in shutter disc, screw in M10 bolt and remove bypass valve from seat.

Drive in bypass valve up to stop using drift (Ø approx. 15 mm).

Install oil filter – see operation "Oil Filter, Replace".

Check engine oil level and correct if necessary.

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