Remove/install flywheel/clutch plate - AR03.30-P-8001-02MM
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ENGINE 152.9, 157, 276, 278, 642.8
FLYWHEEL, DRIVEN PLATE, VIBRATION DAMPER, STARTER RING GEAR
| Number |
Designation |
Engine 152 |
Engine 157 |
| BA03.30-P-1002-01M |
Screw/bolt, starter ring gear/drive plate to crankshaft |
Stage 1 |
Nm |
20 |
20 |
| Stage 2 |
Nm |
45 |
45 |
| Stage 3 |
° |
90 |
90 |
FLYWHEEL, DRIVEN PLATE, VIBRATION DAMPER, STARTER RING GEAR
| Number |
Designation |
Engine 276 |
Engine 278 |
| BA03.30-P-1002-01M |
Screw/bolt, starter ring gear/drive plate to crankshaft |
Stage 1 |
Nm |
20 |
20 |
| Stage 2 |
Nm |
45 |
45 |
| Stage 3 |
° |
90 |
90 |
FLYWHEEL, DRIVEN PLATE, VIBRATION DAMPER, STARTER RING GEAR
| Number |
Designation |
Engine 642 |
| BA03.30-P-1002-01G |
Screw/bolt connecting two-mass flywheel/drive plate to crankshaft |
Stage 1 |
Nm |
45 |
| Stage 2 |
° |
90 |
Courtesy of MERCEDES-BENZ USA
Courtesy of MERCEDES-BENZ USA
Courtesy of MERCEDES-BENZ USA
Detaching
Do not use any impact wrench/driver or compressed air tool to screw the bolts (1 to 8) in and out. The thread in the crankshaft (10) can get damaged otherwise.
- Insert retaining lock for starter ring gear and block engine.
If necessary rotate engine at center bolt of crankshaft (10) until the retaining lock latches correctly in the starter ring gear.
- Loosen screw/bolts (1 to 8) as per figure in the numerical sequence.
- Remove retaining lock.
- Remove screw/bolts (1 to 8) and front perforated plate (11v).
- Remove drive plate (12)
- Remove rear perforated plate (11h).
Checking
Check drive plate (12) for damage.
In case of damaged or loose threaded unions (13), drive plate (12) must be replaced.
- Check positioning pin (9) on crankshaft (10) and replace if necessary.
Attaching
Bolts (1 to 8) as well as the front and rear perforated plate (11h, 11v) must be replaced after each disassembly.
Faulty installation or swapping of the perforated plates (11h, 11v) leads to engine and transmission damage!
Observe numerical sequence as per the figure when tightening the screw/bolts (1 to 8).
- Position rear perforated plate (11h) on the crankshaft (10).
The rear perforated plate (11h) has a disc thickness of 2 mm.
- Position drive plate (12) on the crankshaft (10).
- Position front perforated plate (11h) on the crankshaft (10).
The front perforated plate (11h) has a disc thickness of 3.5 mm.
- Screw in bolts (1 to 8) by hand and tighten finger-tight.
Tightening of screw/bolts (1 to 8) must take place in four stages according to the numerical sequence shown in the figure.
- Insert retaining lock for starter ring gear and block engine.
If necessary rotate engine at center bolt of crankshaft (10) until the retaining lock latches correctly in the starter ring gear.
- Tighten screw/bolts (1 to 8) as per figure in the numerical sequence to stage 1.
Observe correct sequence.
- Tighten screw/bolts (1 to 8) as per figure in the numerical sequence to stage 2.
Observe correct sequence.
- Tighten screw/bolts (1 to 8) as per figure in the numerical sequence to stage 3.
Only on vehicles with gasoline engine.
Observe correct sequence.
- Remove retaining lock.