Crank Mechanism, Dismantling

Crank mechanism, dismantling

Note! Some variation in the illustrations may occur, but the essential information is always correct.











Removal

Note! Removal steps in this procedure may contain installation details.

Expose the engine according to engine block, exposing


Remove the following items:
- oil pump and line. Refer to: Oil pump, B6304T4 Service and Repair
- front crankshaft seal. Refer to: Crankshaft front seal, B6304T4, TF-80SC AWD Service and Repair










999 7257 Wrench 999 7257 Wrench
Turn the crankshaft so that the piston for cylinder 1 ends up in lower dead center (LDC). Check that there are markings on caps and connecting rods and note which way the marking is located (exhaust/inlet side) Note this. Mark as needed.






Note! Note and mark the position of the components before removal.

Note! Make sure that components are installed according to instructions from removing.

Remove the screws for the connecting rod cover. Lift off the cover. Ensure that the bearing cover comes with it.
The contact face between the cap and connecting rod is not machined. The fit takes place using a clean fracture surface.






Note! Note and mark the position of the components before removal.

Note! Make sure that components are installed according to instructions from removing.

999 5746 Holder 999 5746 Holder
Install the tool in the connecting rod and press out the connecting rod/piston.
Hold your hand underneath so that the piston does not fall to the floor and make sure that the bearing half also comes out. Lay the piston with connecting rod so it can be reinstalled in the correct cylinder. Continue with cylinder 2, 3, 4, 5, 6 as above.






Note! Note and mark the position of the components before removal.

Note! Make sure that components are installed according to instructions from removing.

First remove the intermediate part's M8 screws. Then continue with the M10 screws. Begin at the outer edges and work alternately towards the middle.
Carefully pry apart the intermediate part /engine block
Lift away the intermediate part. Make sure that the intermediate part's bearing halves also come out.






Note! The crankshaft must not rotate.

Carefully lift the crankshaft straight up.






Note! Note and mark the position of the components before removal.

Note! Make sure that components are installed according to instructions from removing.

Remove the remaining bearing halves.

Cleaning

Warning! Use extraction equipment.

Clean the gasket surfaces on the cylinder block, intermediate section and oil pan.
Use razor blade or gasket scraper and/or
Use: gasket solution, 1161440