Porshe 911 (997). Manual - part 66

adjusting gauge

special tool

9686

cover for dust protection
when fitting the engine

commercially
available tool

NR.165

Preliminary work for bearing cover for intermediate shaft

Preliminary work for bearing cover for intermediate shaft

Note

Note the work instructions for disconnecting and reconnecting the battery.

• 

1. Disconnect the battery → 271000  Work instructions after disconnecting the battery.

2. Drain engine oil → 170155 Engine oil and oil filter change - section on

"Draining".

3. Remove air cleaner housing → 242519 Removing and installing air cleaner housing - section on

"Removing".

Tiptronic transmission:

4. Remove engine → 101019 21 Removing and installing engine - section on "Removing".

5. Remove Tiptronic transmission → 373527 Removing and refitting automatic transmission - section on

"Removing" [997120 997121 997320 997321]→ 373527 A3 Removing and refitting automatic
transmission - section on "Removing" [997430 997431 997620 997621].

6. Remove drive plate for converter → 136319 Removing and installing drive plate for converter - section on

"Removing".

Manual transmission:

Diagnostic system: reading out fault memory and activating systems

Tools

421

7. Remove manual transmission → 343519 Removing and installing transmission - section on

"Removing" [997430 997431 997620 997621]→ 343519 Removing and installing transmission - section
on "Removing" [997120 997121 997320 997321].

8. Remove clutch → 305019 Removing and installing clutch - section on "Removing".

9. Remove double-mass flywheel → 136019 Removing and installing double-mass flywheel - section

on "Removing".

Removing bearing cover for intermediate shaft

Removing bearing cover for intermediate shaft - up to engine number 685 09
790

ATTENTION

Timing chain may jump over.

Risk of engine damage

• 

→ Following removal of the chain tensioner, the crankshaft must not be turned under any circumstances.

ATTENTION

Risk of damage due to particles of dirt.

Oil bores/oil ducts can become blocked up.

• 

→ When working on the engine, absolute cleanliness is essential.

→ Lay removed engine parts on a clean base and cover them without fail.

→ Use the cover for dust protection when fitting the engine NR.165 on the engine assembly support.

Note

It is only possible to remove the bearing cover with the engine installed in vehicles with manual
transmission.

• 

In Tiptronic vehicles, the complete engine/transmission unit must be removed.

• 

Note

Diagnostic system: reading out fault memory and activating systems

Preliminary work for bearing cover for intermediate shaft

422

Always observe specified engine number range.

Note

Always observe specified engine number range.

Bearing cover up to engine number 685 09 790

Bearing cover with sealing ring

1. Lever out two green closure caps on pulley side of cylinder bank 1 -

3.

Fixing vibration damper

2. Turn the engine at the hexagon-head bolt (a/f 24) of the crankshaft vibration balancer clockwise to

overlapping TDC of cylinder bank 1 - 3 and fix it with special tool locating pins 9595/1.

Note

For checking with the adjusting gauge, the timing adjustment must be correct.

• 

Note

For checking with the adjusting gauge, the timing adjustment must be correct.

• 

Diagnostic system: reading out fault memory and activating systems

Removing bearing cover for intermediate shaft - up to engine number 685 09790

423

3. To check the camshaft adjustment, insert adjusting gauge 9686 for camshaft into the camshaft slots

(pulley side) (inscription on gauge pointing towards cylinder head cover). If the gauge cannot be
inserted, rotate the crankshaft a further 360° and secure it again.

4. Unscrew two M6 x 12 hexagon-head bolts on the coolant pipe at cylinder side 4 - 6.

Primary chain tensioner

5. Remove primary chain tensioner (hexagon socket a/f 32).

Chain tensioner, cylinders 1 - 3

6. Remove chain tensioner, cylinder bank 1 - 3 (hexagon socket a/f 32).

Collar nut for bearing cover

Note

To make it easier to remove the bearing cover, spray the sealing surface with anti-rust agent.

• 

Note

Diagnostic system: reading out fault memory and activating systems

Removing bearing cover for intermediate shaft - up to engine number 685 09790

424