Diesel Data: Automotive Repair

Camshaft: Service and Repair

Camshafts





Special Tool(s)





Material

Removal





1. Remove the intake pipe.





2. Detach the accelerator cable and the speed control cable (if equipped).
3. Remove the timing belt.





4. Remove the camshaft timing pulleys.
^ Prevent turning using the special tool.





5. NOTE: Loosening sequence.

Unscrew the bolts of the camshaft bearing caps evenly in several stages two turns at a time.
^ Remove the oil seals.
^ Remove the camshafts.

Installation





1. NOTE: Identification numbers are provided on the outer face of the camshaft bearing caps.

Apply sealant to camshaft bearing cap numbers 0 and 5 in the areas shown.
2. Turn the crankshaft to approximately 60 degrees before TDC on cylinder number 1.





3. NOTE: Lay the camshaft in place so that none of the cams is at full lift.

Lubricate the camshaft and camshaft bearing caps with engine oil.





4. NOTE: Screw in the camshaft bearing cap bolts evenly, in the sequence shown, a half turn at a time and tighten them in two stages.

Tighten the bolts of the camshaft bearing caps.
^ Stage 1: 10 Nm
^ Stage 2: 19 Nm
5. Check the valve clearance and adjust if necessary.





6. Install the camshaft oil seals.
^ Lubricate the camshaft and oil seal lip with engine oil.
^ Using the special tool install a new oil seal.

^ NOTE: Do not tighten the bolts. The camshaft timing pulleys must be able to turn freely on the camshafts.

Install the camshaft timing pulleys.
7. Install the timing belt.
8. Lower the vehicle.





9. Attach the accelerator cable and the speed control cable (if equipped).





10. Install the intake pipe.

11. NOTE: When the battery has been disconnected and reconnected, some abnormal drive symptoms may occur while the vehicle relearns its adaptive strategy. The vehicle may need to be driven 16 km (10 miles) or more to relearn the strategy.

Standard finishing operations
^ Connect the battery ground cable.
^ Check fluid levels and correct if necessary.
^ Check the routing of vacuum hoses and cables and secure them with cable ties.
^ Check fluid levels again and correct if necessary.