How to replace timing belt on Vauxhall/Opel Calibra 2.0i 16V 1990-1993

Replacement Interval Guide

• Vauxhall recommend replacement as follows:
• To 90MY – replacement every 63,000 miles or 7 years, whichever occurs first.
• 91MY on – replacement every 36,000 miles or 4 years, whichever occurs first.
• The previous use and service history of the vehicle must always be taken into account.

Check For Engine Damage

CAUTION: This engine has been identified as an INTERFERENCE engine in which the possibility of valve-to-piston damage in the event of a timing belt failure is MOST LIKELY to occur. A compression check of all cylinders should be performed before removing the cylinder head.

Repair Times – hrs

Remove & install:
Astra/Kadett-E/Astra-F	1,00
Cavalier/Vectra-A	1,20
Calibra	1,50

Special Tools

• Tensioning tool – Kent Moore No.KM-666.
• Crankshaft pulley bolt socket – Kent Moore No.KM-321-A.

Special Precautions

• Disconnect battery earth lead.
• DO NOT turn crankshaft or camshaft when timing belt removed.
• Remove spark plugs to ease turning engine.
• Turn engine in normal direction of rotation (unless otherwise stated).
• DO NOT turn engine via camshaft or other sprockets.
• Observe all tightening torques.

Removal

1. Remove:
   • Air filter.
   • Air intake hose.
   • Auxiliary drive belt(s).
   • Timing belt cover [1] .
2. Turn crankshaft until timing marks aligned [2] & [3] . Use tool KM-321-A.
3. Slacken oil cooler hose clip. Move hoses aside.
4. Remove:
   • Crankshaft pulley bolts [5] .
   • Crankshaft pulley [6] .
5. Slacken tensioner bolt [4] .
6. Remove timing belt.

Installation

NOTE: DO NOT refit used belt.

1. Fit timing belt, starting at crankshaft sprocket. Ensure belt is taut between sprockets on non-tensioned side.
2. Fit crankshaft pulley. Tighten bolts to 20 Nm [5] .
3. Mark 8th tooth anti-clockwise from TDC mark on camshaft sprocket [8] .
4. Tension timing belt. Use tool KM-666 [7] .
5. Turn crankshaft two turns clockwise until mark on 8th tooth aligns with timing mark on timing belt rear cover [3] .
6. Tighten tensioner bolt [4] . Tightening torque: 25 Nm + 45-60°.
7. Remove tensioning tool.
8. Turn crankshaft until timing marks aligned [2] & [3] .
9. Install components in reverse order of removal.