Central clutch release bearing analysis sheet, form · of2520s001002a · Mercedes-Benz WIS

OF25.20-S-0010-02A

Central clutch release bearing analysis sheet, form

Model	447 with engine 622, 651
Model	906 with engine 642, 651
Model	907 with engine 642, 651
Model	910 with engine 651

_________________________________________________________________________________________________________________________________
Company-owned sales and service outlet/Dealer no.
	_____________________________________________________________________________________
	Service advisor or team leader name
	_____________________________________________________________________________________
	Vehicle identification number
	_____________________________________________________________________________________
	Telephone number for queries
	_____________________________________________________________________________________
	Date
_________________________________________	_________________________________________	_________________________________________
First registration	Engine (622/642/651)	Total distance (km or miles)

This analysis sheet is to be filled out by the service advisor or team leader and technician. The analysis sheet is to be included with the defective central clutch release bearing.

Customer complaint (to be filled out by service advisor or team leader)

Describe the customer complaint as well as the respective situation(s) before, during and after the fault occurs as accurately as possible.
Driving profile of the vehicle:
	Freeway	___________ %
	Inner-city location	___________ %
	Rural highway	___________ %
Trailer operation?	Yes ☐	No ☐
Description: _________________________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________________________

Determined parameter (test drive) of the customer complaint (to be filled out by service advisor or team leader)

Malfunction?
Control force at clutch pedal too low		☐
Control force at clutch pedal too high		☐
Power transmission despite operated clutch with gear engaged (if necessary, after a brief period)		☐
Other malfunctions: _________________________________________________________________________________________________________________________________
Sporadic malfunction(s) present?	Yes ☐	No ☐
In which conditions?	Outside temperature	___________°C or ℉
	Operating temperature of the engine	___________°C or ℉
	Shifting from______to______gear
	Air humidity:______% ☐ dry ☐ rain
	Driving situation:	☐ traction mode
		☐ overrun mode
		☐ Idle
How frequent?	☐ always
	☐ sporadic:
	approx. every______operations of the clutch pedal when shifting from______to______gear
	☐ in particular circumstances:
	Exact description of the particular circumstances: _____________________________________________________________________________________
	Reported by the customer (not reproducible)	☐

Diagnosis of the customer complaint (before removal of transmission) (to be filled out by the technician)

Can noises be heard from coupling housing when the clutch pedal is operated?
Yes ☐	No ☐
When clutch pedal is not depressed	☐
When the clutch pedal is depressed	☐
Are leaks present before removal of the transmission?
Yes ☐	No ☐
Between the transmission housing and coupling housing	☐
In the area of the breather	☐
Position(s) of leak(s): _________________________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________________________ (Describe position(s) precisely and attach representative pictures to the form)

Diagnosis of the customer complaint (after removal of transmission) (to be filled out by the technician)

Are leaks present at the central clutch release bearing after removal of the transmission?
	Yes ☐	No ☐
Positions of leaks:
_________________________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________________________ (Protective boot, connection, breather or other position. Describe positions of leaks precisely and attach representative pictures to the form)
Is there brake fluid residue present in the coupling housing?
	Yes ☐	No ☐
Is the protective boot of the central clutch release bearing correctly installed?
	Yes ☐	No ☐
In which area (at transmission end, engine side) is it loosened? _________________________________________________________________________________________________________________________________
Release bearing sluggish? Info: For this, turn the release bearing; the central clutch release bearing must be installed at transmission.
	Yes ☐	No ☐
Are there noises when turning the release bearing? Info: For this, the central clutch release bearing must be installed at the transmission.
	Yes ☐	No ☐
Press release bearing in the direction of the transmission. Info: For this, the central clutch release bearing must be installed at the transmission.
Release bearing sluggish?	Yes ☐	No ☐
Noises?	Yes ☐	No ☐
Does the release bearing go back into unpressed position?	Yes ☐	No ☐
Tilt release bearing back and forth on outside diameter.
Noticeable tilting play?	Yes ☐	No ☐
Move release bearing radially back and forth.
Noticeable tilting play?	Yes ☐	No ☐
Are the screws of the central clutch release bearing tight and complete?
	Yes ☐	No ☐
Info: Disassembling the central clutch release bearing is impermissible, otherwise no diagnosis can be made afterwards! After removal of the central clutch release bearing, do not operate it. Close off central clutch release bearing with suitable stop plugs and return together with this completed analysis sheet via the standard process.
Does the clutch have normal wear?	Yes ☐	No ☐
Were further component parts replaced in the context of the customer complaint?
	Yes ☐	No ☐
	Which component parts were replaced:	☐ clutch
		☐ clutch master cylinder
		☐ flywheel
		☐ other component parts:
		__________________________________________ __________________________________________
Is the complaint rectified after the repair?		Yes ☐	No ☐
Number of the TIPS case (if present)__________________________________________
Miscellaneous: _________________________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________________________