Operation CHARM: Car repair manuals for everyone.

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.