Removing tappets Volvo V70 II рестайлинг

Removing tappets

Note. Magnets must not be used when lifting out the tappets.

Lift out the tappets. Mark up the tappets so that the original positions can be established.

Use a suction cup to remove the tappets.

Check for wear on the tappets.

Use valve spring compressor 9986052 with attachment claw 9995748 .

Remove

1. the valve locks
2. the upper valve collars
3. the valve springs
4. the valves.

Note. Keep careful track of the position of the moving parts.

Use tool 9995219 .

Remove the valve stem seals and the lower valve collars.

Clean the cylinder head

1. the gasket faces
2. the combustion chambers
3. the inlet and exhaust ports
4. the valve seats.

Clean the spark plug threads (tap M14 x 1.25).

Clean the valves, valve springs and collars.

Visually check for damage.

If you are unsure, replace the cylinder head.

Measure the wear in the valve guides. Use a dial indicator and magnetic holder. Lift the valve approximately 2-3 mm from the seat when carrying out the check.

Clearance between the valve and valve guide

Clearance between new components: Inlet/Exhaust: 0.03 -0.06 mm .

Maximum play for used components: Inlet/Exhaust: 0.15 mm .

Lubricate

1. the upper end of the valve guides
2. the valve stem seal.

Install

1. the lower valve spring collars
2. the valve stem seal.

Press down the seal. Use tool 9997012 . Press with hand force until the tool stops against the lower valve spring washer. Remove the tool.

Repeat the procedure with the remaining valve stem seals.