its not actually a belt persay but a clutch and it has a forward and reverse sometimes they need adjustment but I dont have the data on automatics soill look around and see if I can find some, most mechanics I know use the term belt on the automatic because they are not like a clutch plate and they are made of the same stuff ,

edit: I suppose you could call it a band but that shows my ignorance with automatics because I dont work much on them

 

Electrical/electronic components and fitting locations



1-
Automatic gearbox control unit -J217-



q
Fitting location



q
Control unit is checked by self-diagnosis



q
Removing and installing



2-
Hydraulic control unit



q
Fitting location



q
Valves are checked via self-diagnosis.



q
Removing and installing



3-
Selector mechanism cover



q
Removing and installing



4-
tiptronic switch -F189-



q
tiptronic switch is integrated in printed circuit in selector mechanism cover



q
tiptronic switch consists of 3Hall sensors actuated by a magnet on the transverse slide of the sliding cover.



q
If malfunctions occur in the tiptronic switch -F189-, first check that the magnet on the transverse slide of the sliding cover is secured properly. If necessary, renew sliding cover. The printed circuit should only be renewed after the wiring has been checked.



q
Removing and installing



5-
Selector lever lock solenoid -N110-



q
Fitting location



q
Removing and installing



6-
Diagnostic connector



q
Fitting location



7-
Cruise control system switch -E45-



q
Fitting location



q
Removing and installing



8-
Starter inhibitor and reversing light relay -J226- (to 10.04) or starter inhibitor relay -J207- (from 11.04)



q
Fitting location



9-
Voltage supply relay, terminal 87/ automatic gearbox relay -J60-



10-
Selector lever position indicator -Y6-



q
Fitting location



q
A fully illuminated gear selection indicator indicates a simple fault



q
A flashing gear selection indicator indicates a critical fault



q
A blank display indicates defective wiring or a defective selector lever position indicator -Y6-.



11-
Kick-down switch -F8-



q
Not fitted as a separate component: on vehicles with petrol engine this function is performed by accelerator pedal position sender -G79- and accelerator pedal position sender2 -G185-. The two senders are integrated in the accelerator pedal module; fitting location



q
On vehicles with diesel engine the kick-down switch is incorporated in accelerator pedal position sender -G79- located in accelerator pedal module; fitting location



q
Signal recognition in engine control unit, signal transmission from engine control unit to gearbox control unit via CAN bus



q
Removing and installing accelerator pedal module



12-
Brake light switch -F-



q
Signal recognition in engine control unit, signal transmission from engine control unit to gearbox control unit via CAN bus



q
Removing and installing













Automatic gearbox control unit -J217-



t
Fitting location: automatic gearbox control unit -J217- is fitted at rear end of gearbox directly on hydraulic control unit.



The following components are integrated into the control unit:



A-
Gearbox output speed sender -G195- and gearbox output speed sender 2 -G196-



B-
Gearbox oil temperature sender -G93-



C-
Multi-function switch -F125-



D-
Gearbox input speed sender -G182-



E-
Automatic gearbox hydraulic pressure sender 1 -G193-



F-
Automatic gearbox hydraulic pressure sender 2 -G194-



Removing and installing automatic gearbox control unit -J217-









Hydraulic control unit



t
Fitting location: The hydraulic control unit is bolted to rear end of gearbox. The automatic gearbox control unit -J217- is fitted directly onto the hydraulic control unit.



A-
Connector for automatic gearbox pressure control valve 1 -N215-



B-
Connector for automatic gearbox pressure control valve 2 -N216-



C-
Connector for solenoid valve 1 -N88-



The following valves are integrated into the hydraulic control unit (not shown in illustration):



t
Automatic gearbox pressure control valve 1 -N215- (clutch solenoid valve)



t
Automatic gearbox pressure control valve 2 -N216- (solenoid valve for transmission ratio)



t
Solenoid valve 1 -N88- (clutch cooling/safety shut-off).



t
Clutch cooling valve



t
Minimum-pressure valve



t
Pressure limiting valve



t
Clutch control valve



t
Control-pressure valve
Note[/align]


t
The valves are monitored via self-diagnosis.



t
Description and function of the individual valves



Removing and installing hydraulic control unit .









Selector lever lock solenoid -N110-



t
Location: the selector lever lock solenoid -N110- is located in the selector mechanism -arrow-.









Diagnostic connector



t
Fitting location: below knee padding on left side of steering wheel









Cruise control system switch -E45-



t
Fitting location: The cruise control switch is located on steering column switch.









Selector lever position indicator -Y6-



t
Fitting location: integrated into instrument cluster.
Note[/align]


The selector lever position indicator -Y6- can only be renewed together with the instrument cluster.









Voltage supply relay terminal 87/ automatic gearbox relay -J60- and starter inhibitor and reversing light relay -J226- (to 10.04) or starter inhibitor relay -J207- (from 11.04)



t
Fitting location: on relay carrier in electronics box in plenum chamber



Voltage supply via terminal 87 differs as follows:



1-
Automatic gearbox relay -J60- - only on vehicles with 2.4 ltr. petrol engine



3-
Motronic current supply relay -J271- - on all other vehicles with petrol engine



3-
Terminal 30 voltage supply relay -J317- - vehicles with diesel engine



4-
Starter inhibitor and reversing light relay -J226- (to 10.04) or starter inhibitor relay -J207- (from 11.04)
Note[/align]


On vehicles from 11.04, the reversing lights are activated via CAN bus.









Brake light switch -F-



t
Fitting location: the brake light switch -arrow- is located on pedal cluster.
Note[/align]


Switch may only be fitted once so as to ensure a firm fit.









Kick-down switch -F8-



t
Fitting location: integrated in accelerator pedal module -arrow-
Note[/align]


t
On vehicles with petrol engine accelerator pedal position sender -G79- and accelerator pedal position sender2 -G185- perform the function of the kickdown switch -F8-.



t
On vehicles with diesel engine the kick-down switch -F8- is incorporated in accelerator pedal position sender -G79-.



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# hopefully this will help

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[IMG]local://upfiles/12092/00CDB784D3574E62BEE3490A33260CA6.jpg[/IMG]

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I'm at 185K miles and my B5 tip is going strong with an APR 93 octane chip for the last 100K.

I did install the GIAC tip chip 40-60K ago. It made a real difference in the shift lag times.

 

I've always read that the TIP can handle up to 300ft lbs of torque(so thats where the 300 comes from just not HP), are you saying that it can only hadle 230ft lbs. In that case with 155lbs of torque stock and a chip like GIAC giving you +80ft lbs is already over that, and then you put on a K04 that adds another 30ftlbs like many TIP drivers have. I love my TIP and I think that I will love it even more when I finally get a TIP chip.