Contents Wiring diagrams Section: OHC Petrol Engine All sections

How to Check the Timing Opel Astra G

OHC Petrol Engine 1 illustration ~155 words

Remove

Disconnect ground cable from battery.

Remove air cleaner housing with air intake cover – see illustration "Air Ducts (X 16 SZR)" and illustration "Air Ducts (Z 16 SE)".

Remove upper part of toothed belt cover – see operation "Toothed Belt Cover – Upper Part, Remove and Install".

Inspect

At fastening bolt of toothed belt drive gear, turn crankshaft in engine rotational direction to "1st cylinder TDC" (marking 2). At the same time, notches (1) on camshaft pulley and rear toothed belt cover must align. Turn crankshaft slowly and uniformly.

If the timing marks do not align – see operation "Timing, Adjust".

Install

Install upper part of toothed belt cover – see operation "Toothed Belt Cover – Upper Part, Remove and Install".

Install air cleaner housing with air intake cover – see illustration "Air Ducts (X 16 SZR)" and illustration "Air Ducts (Z 16 SE)".

Connect ground cable to battery.