Operation CHARM: Car repair manuals for everyone.

ATF Level, Checking With Auxiliary ATF Cooler


ATF, checking and changing (Automatic Transmission 01V)

ATF level, checking

Special Tools and Equipment




- VAS5O51 tester with VAS5O51 /1 diagnostic cable (or VAG1551 Scan Tool with VAG1551/3 cable)



- VAG13O6 drip tray



- VAG1924 ATF filler tool
- Protective goggles

Test requirements:
- Transmission must not be in emergency running mode.
- Vehicle on level ground.
- Selector lever in "P", let engine run at idle.
- NC system and heating switched oft.
- ATF temperature must not be higher than 30 C at start of test, allow transmission to cool if necessary.


Notes:
- ATF level changes with ATF temperature.
- Performing ATF level check when ATF temperature is too high will cause excess filling.
- Performing ATF level check when ATF temperature is too high will cause insufficient filling.
- Excess filling and insufficient filling both affect the function of the transmission.
- An extra ATF check must be performed for vehicles with auxiliary ATF cooler.
- The ATF temperature is read out by the VA S5051 tester or VAGI551 Scan Tool.

Checking ATF temperature




- Connect VAS5051 tester to vehicle with VAS5051/1 diagnostic wire. Or, VAG1551 S Tool can be attached using VAG1551/3 ada
- Start engine.



When indicated on display:
- Press buttons -0- and -8- to select "Read Measuring Value Block" and press -0- button confirm input.



When indicated on display:
- Press buttons -0-, -0- and -4- to select disply group "004" and press -0- button to confirm input.



When indicated on display:
- Read ATF temperature in display field 1.

Checking and correcting ATF level

Notes:
- ATF level is checked at the ATF check plug
- ATF level is correct if a little bit of fluid exits the ATF check plug between 35° and 45° (For warm countries 50°C) (fluid level rises due to heat).



- Secure container of VAG1924 ATF filler tool high up on vehicle as possible.
- Raise vehicle.
- Place VAG13O6 drip tray under transmission

WARNING! Wear protective glasses.




- Once an ATF temperature of 35°C is reached remove ATF check plug -2- and drain excess ATF if necessary.
- It ATF exits from the ATF filler plug hole be the ATF reaches 40°C, the ATF level is C

Note:
- ATF check plug must be closed again by 45°C (For warm countries 50°C) at the latest.

- Add ATF if no ATF has exited from the ATF check plug hole by 40°C.

- Insert VAG1924 ATF filler tool into an open -4- in the protective cap, but do not knock cap upward.



- Fill with ATF using VAG1924 ATF filler tool ATF exits from the check hole.



- Always replace seal (arrow) for the ATF check plug.
- Tighten ATF check plug to 80 Nm.
- Press button on VAG1551.
- Press buttons -0- and -6- to select "End out and press -Q- button to confirm input.

Additional ATF check for vehicles with auxiliary ATF cooler

This test must be performed after auxiliary ATF cooler has been emptied or when it has been replaced.

Test requirements:

- Transmission must not be in emergency running mode.
- ATF is filled up.
- Selector lever in "P", let engine run at idle.
- NC system and heating switched off.
- The ATF temperature is read out by the VAS5O5I tester or VAGI55I Scan Tool.

Checking ATF temperature



- Connect VAS5O51 tester to vehicle with VAS5O51I1 diagnostic wire. Alternately, VAG1551 Scan Tool can also be attached u VAG 1551/3 adapter.
- Start engine.




When indicated on display:
- Press buttons -0- and -8- to select "Read Measuring Value Block" and press -Q- button to confirm input.



indicated on display:
- Press buttons -0-, -0- and -4- to select display group "004" and press -0- button to confirm input.



When indicated on display:
- Read ATF temperature in display field 1.
- Let engine run until ATF temperature has reached at least 850 C, a road test may be necessary to reach this temperature.

Note:
The thermostat at the opening for the auxiliary ATF cooler does not open until 80°C so that the cooler can fill up with ATF.

- Switch off engine and let ATF cool down until temperature has fallen below 35°C.
- Check ATF level.

ATF, changing or topping off after repair work

- Engine switched off.

Special tools and equipment



- VAG13O6 drip tray



- VAG1924 ATF filler tool



- Secure container of VAG1924 ATF filler tool as high up on vehicle as possible.
- Raise vehicle.

Notes:
Observe disposal regulations.
Engine must not be started without ATF and vehicle must not be towed!
- Place VAG13O6 drip tray under transmission.



- Remove ATF drain plug -1- and drain ATF.

Note: Drain plug and oil seal must both be replaced.

- Tighten ATF drain plug to 40 Nm.
- Remove ATF check plug -2-.



- Insert VAG1924 ATF filler tool into an opening -4- in the protective cap, but do not knock cap upward.



- Fill with ATF using VAG1924 ATF filler tool until ATF exits from the check hole.
- Place selector lever in position "P".
- Start engine.
- Keeping the brake pedal depressed, shift into all selector lever positions at idle speed. Each position must remain selected for at least 10 seconds.
- Place selector lever in position "P".
- Check ATF level and top off.

Note: Observe all notes and test requirements for "Checking ATF level".