Remove/Install Dual Clutch - AR27.20-P-0070MFC

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Transmission 724.0 in model 118, 177, 247

MODIFICATION NOTES

14.07.2018	Special tool inserted.	Adapter (724 589 04 31 00)	AR27.10-P-0600-01NKB
14.07.2018	Operation steps added.	Operation step (5, 6)	AR27.10-P-0600-01NKB

Fig 1: Dual Clutch Components Location - Transmission 724.0 In Model 118

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

	Risk of injury to skin and eyes due to handling of transmission oil. Health risk caused by swallowing transmission oil	Wear protective gloves, protective clothing and safety glasses. Do not pour transmission oil into beverage bottles.	AS00.40-Z-0001-01A
	Risk of injury caused by scraping or cutting body parts on sharp vehicle parts	Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels.	AS00.00-Z-0017-01A
Notice	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A
	Notes on automatic transmission		AH27.19-P-0001-01NKB
	Remove
1	Remove transmission.		AR27.10-P-0009MFC
2	Install transmission at assembly stand.		AR27.10-P-0600-01NKB
	000 588 27 31 00 Assembly stand for cars		WS01.00-P-0262B
		Adapter	Fig 5
		Assembly device	Fig 4
		Assembly device	Fig 6
3	Remove retaining ring (1).	Do not damage seat of retaining ring (1) and sealing surface on clutch housing (27K). Otherwise leaks may occur. If slight damage is detected on the sealing surface of the clutch housing (27K), ↓ grind down sealing surface in area of retaining ring (1) on clutch housing (27K) using oily abrasive paper, then clean.
		Automatic transmission fluid (ATF) (specification 236.21)	BB00.40-P-0236-21A
		Assembly cleaner	*BR00.45-Z-1028-04A
4	Pry off cap (2) using suitable tool.
5	Remove shim (3).
6	Remove axial bearing (4).
7	Check axial bearing (4) for damage.	If damage is found, ↓ replace axial bearing (4).
8	Pull locking pin (A) upwards.	Assembly tool	Fig 7
9	Open lever (B) all the way.	Assembly tool	Fig 7
10	Mount assembly tool (01) onto dual clutch (5).	Assembly tool	Fig 7
11	Lift up locking pin (A).	Assembly tool	Fig 7
12	Close lever (B) and latch locking pin (A) into assembly tool (01).	Assembly tool	Fig 7
13	Lift dual clutch (5) out of clutch housing (27K) using assembly tool (01).	Assembly tool	Fig 7
14	Remove sealing rings (6) from dual clutch (5).
	Install
15	Replace sealing rings (6) of dual clutch (5) and install.	Check sealing rings (6) are correctly seated.
16	Insert dual clutch (5) carefully and without tilting it into the clutch housing (27K).	Assembly tool	Fig 7
17	Turn dual clutch (5) slightly until the toothing of the drive shaft (30) and the hollow shaft (40) engages correctly in the dual clutch (5).	Assembly tool	Fig 7
18	Remove assembly tool (01) from dual clutch (5).	Assembly tool	Fig 7
19	Install axial bearing (4).
20	Install shim (3).
	Check
21	Check the seat of the dual clutch (5) before making the adjustment.		AR27.20-P-0070-02NKB
		Parallel support	Fig 8
	Measure
22	Measure installed dimension of dual clutch (5) and adjust.		AR27.20-P-0070-01NKB
		Height distance from parallel gauges to thrust bearing	*BE27.20-P-1001-02A
		Support	Fig 3
		Parallel support	Fig 8
23	Fit assembly sleeve onto drive shaft (30).	Assembly sleeve	Fig 2
24	Replace cap (2) and install.
25	Check retaining ring (1) for damage.	If damage is found, ↓ Install new retaining ring (1).
26	Install retaining ring (1).	Ensure the retaining ring (1) is seated correctly.
27	Remove transmission from assembly stand.		AR27.10-P-0600-01NKB
	000 588 27 31 00 Assembly stand for cars		WS01.00-P-0262B
		Adapter	Fig 5
		Assembly device	Fig 4
		Assembly device	Fig 6
28	Install transmission.		AR27.10-P-0009MFC
	Check
29	Check transmission oil level, correct, if necessary.		AR27.00-P-0104MFC
	Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.	Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
	Risk of burn injuries , suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust.	Wear protective clothing and safety glasses. Use the extraction system. Move people out of the danger zone.	AS49.00-Z-0001-01A
30	Perform engine test run, while doing so check engine and transmission for proper operation and leak tightness.