Shift Mechanism, Servicing
Selector lever mechanism, servicing
CAUTION: Before beginning repairs on the electrical system:
^ Obtain the anti-theft radio security code.
^ Switch the ignition off.
^ Disconnect the battery Ground (GND) strap.
^ On vehicles equipped with Audi Telematics by OnStar (R) switch-off the emergency (backup) battery for the Telematic/Telephone Control Module prior to disconnecting vehicle battery.
^ After reconnecting vehicle battery, re-code and check operation of anti-theft radio. Also check operation of clock and power windows.
^ After reconnecting vehicle battery on vehicles equipped with Audi Telematics by OnStar (R) switch-on the emergency (backup) battery for the Telematic/Telephone Control Module.
WARNING: Shift selector lever into position P and engage parking brake before working with the engine running.
Ignition key removal lock, checking
- Switch ignition key to driving position (ignition on).
- Depress brake pedal and hold.
^ Shifting selector lever out of position P must be possible with the button at shift lever depressed without sticking.
^ It must not be possible to remove ignition key with selector lever in any position other than P.
- Shift selector lever into position P
^ It must be possible to move ignition key into removal position without sticking.
- Remove ignition key.
^ It must only be possible to remove ignition key in P position.
^ Selector lever cannot be shifted out of position P with the button pressed and foot brake operated.
Shift mechanism, checking
Selector lever in position P and ignition switched on:
^ Brake pedal is not being operated:
Selector lever is locked and cannot be shifted out of position P with the button at selector lever pressed. Shift lock solenoid is locking the selector lever.
^ Brake pedal is being operated:
Shift lock solenoid enables the selector lever. Selecting a driving mode must be possible with the button at shift handle pressed without sticking.
Slowly shift selector lever from P through R, N, D, "S" checking whether selector lever position in dash panel insert agrees with selector lever position.
Selector lever in position N and ignition switched on:
^ Brake pedal is not being operated:
Selector lever is locked and cannot be shifted out of position N with the button at selector lever handle pressed. Shift lock solenoid is locking the selector lever.
^ Brake pedal is being operated:
Shift lock solenoid enables the selector lever. Selecting a driving mode must be possible with the button at shift handle pressed without sticking.
Selector lever in position D, ignition and lights switched on:
Move selector lever in Tiptronic gate. The "D" symbol must no longer be illuminated and "+" and "-" symbols must illuminate.
^ Start engine and let run at idle
^ Engage parking brake and operate brake pedal
The selector lever display in dash panel insert must change from PRNDS to 54321 when selector lever is moved in Tiptronic gate.
Notes:
^ The starter must not operate in the selector lever positions P "S" and R.
^ For speeds exceeding 5 km/h and shifting into selector lever position N, the shift lock solenoid must not engage to lock the selector lever. Selector lever can be shifted into a driving mode.
^ For speeds below 2 km/h (almost standstill) and shifting into selector lever position N the shift lock solenoid must only engage after approximately 1 second. Selector lever can only be shifted out of position N with the brake pedal operated.
Shift mechanism cover and selector lever knob, exploded view
Note: Lubricate bearing areas and slide surfaces with polycarbamide grease G 052 142 A2.
1 - Selector lever
2 - Shaft piece for selector lever Removing and installing selector lever knob
3 - Selector lever handle
^ Removing and installing
4 - Cover
^ With selector scale and Tiptronic gate and selector lever lock indicator
^ Removing and installing Tiptronic switch F189 and additionally Unclipping cover
5 - Symbol insert
^ Clipped in cover
6 - Printed circuit board
^ with integrated Tiptronic Switch -F189-
^ Removing and installing
^ If malfunctioning, start by checking whether solenoid is correctly fixed on transverse slide of louver -item 7 -, replace louvre with guide if necessary.
7 - Masking panel
^ Only available together with -item 8
^ With solenoid for Tiptronic switch -F189- on reverse slide
^ Removing and installing Tiptronic Switch -F189-
8 - Guide for masking panel Only available together with -item 7 Separate both halves by applying careful levering movements
Selector lever handle, removing and installing
Removing
- Shift selector lever into position ID.
- Turn sleeve -1- to left and push downward as far as stop.
- Carefully pull switch -2- just enough out of selector lever knob -3- until a cable tie can be inserted between button and selector lever.
Note: Do not remove button further under any circumstances, otherwise the selector lever knob will be damaged.
- Secure button in pulled-out position using cable tie -arrow- as shown in illustration.
- Remove selector lever knob upward.
Installing
Installation is reverse of removal, noting the following:
- Shift selector lever into position D.
Notes:
^ To install new selector lever knob -3-, button -2- must be pulled out as far as stop and secured with a cable tie -arrow- or using assembly aid included with new knob.
^ If the button was accidentally not secured, then it must not be pulled from selector lever knob using mechanical tools. Apply compressed air gun to bottom of knob and carefully press button out with compressed air.
- Position complete selector lever knob -3- on selector lever - button -2faces driver. During this, the knob must engage into ring groove of the selector lever.
- Remove cable tie -arrow- or assembly aid, then button actuation engages in vertical groove of selector lever. If necessary press button into selector lever knob.
- Pull sleeve -1- upward and engage by turning clockwise.