Lower Timing Chain Cover
Lower Timing Chain Cover
Special tools, testers and auxiliary items required
• Hand drill with plastic brush attachment
• Protective glasses
• Sealant
Removing
- Removing engine => [ Engine, Removing ] Engine, Removing.
- To separate engine and transmission => [ Engine and Transmission, Separating ] Engine and Transmission, Separating.
- Fasten engine on engine and transmission holder => [ Engine and Transmission, Securing to Holder ] Engine and Transmission, Securing to Holder.
- Remove drive plate => [ Drive Plate ] Drive Plate.
- Remove oil pan => [ Oil Pan ] Oil Pan.
- Remove timing chain lower cover bolts - 1 and 2 -.
Risk of damaging cylinder head seal.
• Remove timing chain lower cover horizontally from cylinder block.
- Press crankshaft shaft seal out of lower timing chain cover.
Installing
• Tightening specifications => [ Lower Timing Chain Cover Tightening Sequence ] Timing Chain Covers, Assembly Overview
Risk of eye injury.
• Wear safety glasses.
Risk of contaminating lubrication system with sealant residue.
• Place a clean cloth over open part of engine.
- Remove remaining sealant on lower timing chain and cylinder head covers and cylinder block, e.g, with a rotating plastic brush.
- Clean sealing surfaces, must be free of oil and grease.
- Clean holes - arrow - in cylinder head seal of old sealant.
• With cylinder head installed, holes in cylinder head seal are only half visible.
The cylinder head seal could be damaged.
• Do not kink cylinder head seal when bending.
• A kinked cylinder head seal must be replaced.
- Bend end of cylinder head seal down slightly - arrows - until upper sealing surface on cylinder head seal and cylinder head can be cleaned.
- Clean top and bottom of cylinder head seal, it must be free of oil and grease.
- Cut tube nozzle at front marking (dia. approximately 2 mm).
The cylinder head seal could be damaged.
• Do not kink cylinder head seal when bending.
• A kinked cylinder head seal must be replaced.
- Lightly coat top and bottom cylinder head seal sealing surfaces with lubricant by bending seal down slightly again - arrows -.
- To coat surface between cylinder head and seal, use a flat object, e.g. a feeler gauge.
- Place a thin sealant bead - arrows - from below in both corners between cylinder head seal and cylinder block so that cylinder head seal holes are filled.
- Check whether timing chain lower cover guide pins are inserted in cylinder block.
- Lightly coat clean sealing surfaces - shaded - on timing chain lower cover with sealant.
• Timing chain lower cover must be installed with 5 minutes of applying sealant.
- Tighten timing chain lower cover bolts - 1 - and - 2 - => [ Lower Timing Chain Cover Tightening Sequence ] Timing Chain Covers, Assembly Overview
The rest of installation is in reverse order of removal, note the following:
- Install transmission-side crankshaft shaft seal => [ Crankshaft Shaft Seal ] Service and Repair.
- Install oil pan => [ Oil Pan ] Oil Pan.
- Install drive plate => [ Drive Plate ] Drive Plate.
- Install engine => [ Engine, Installing ] Engine, Installing.