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AUDI A4 CVT AUTO GEARBOX LEVEL CHECK

Posted By wor-mate August, 2009
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wor-mate
 Posted August, 2009
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a little help please.   2005 audi a4 2.0 tdi blb code with cvt transmission.

what i know (please correct if i am wrong)

the drain plug is the tamperproof multispline plug in the base of the gearbox casing

the filler which also acts as a level  plug (with 10mm female) is the plug just slightly offset and rearward from the drain

what i dont know

what is the plug thats forward and slightly below the l/h drive shaft flange  

the correct oil to use

the temperature to do the level check

the gear lever position to do the level check

  many thanks, pw.

Crasher
 Posted August, 2009
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Checking gear oil level in front final drive, checking the CVT fluid is a whole other story!



The oil cannot be drained, as it is “Filled for life, no change” if it is desired to change the complete contents, the oil must be extracted using a vacuum pump.

Note.

The prescribed oil level is to be adhered to exactly; the gearbox reacts very sensitively to over-filling.

Test sequence

Carry out a short test drive in order to heat gear oil to approx. 60 °C.

Drive vehicle onto a lifting platform or over an inspection pit in order for it to be absolutely horizontal.

Switch off engine and let gear oil drip into gearbox housing for 5 minutes.

Open quick release fasteners and take off rear noise insulation.

If fitted, remove bolt on noise insulation cover above left drive shaft.

Disengage retainer and remove noise insulation cover.

Remove screw plug



Check the oil level with a suitable improvised tool, e.g. bent wire.

Specification: oil level 8.5 mm below bottom lip of oil filler hole.

Top up gear oil if necessary.

Gear oil specification Capacity approx. 1.3 litres. Part number G 052 190 A2, Gear oil for Multitronic.

Note.

When servicing at the workshop the oil can also be filled up to the bottom lip of the oil filler hole. However, it will then be necessary to extract 0.2 litre in order to reach the correct oil level.

Tighten new screw plug. Tightening torque 20Nm

Note

Renew screw plug. N 100 371 05




wor-mate
 Posted August, 2009
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many thanks for your very detailed instructions crasher, i now have the front differential oil at the correct level.   (seems crazy why what looks to be a level plug just cant be a level plug)

i have a intermittent fault on the cvt and think the best place to start would be doing a level check on it also, could i trouble you to provide the  cvt checking procedure.

  

Crasher
 Posted August, 2009
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You need to drain the CVT fluid and refill like this using a VAS 5162 which is £114 plus VAT from a TPS.

 

Unscrew ATF drain plug -A- with multi-point bit -3357- and drain off ATF.

 

 

Re-tighten ATF drain plug, tightening torque: 24 Nm.

 

Unscrew ATF inspection plug –B.

 

Fill gearbox with at least 4.5 to 5 litres of fresh CVT ATF using the VAS 5162.

 

 

Move selector lever to position “P”, start engine and allow to run at idling speed.

 

Vehicles from model year 2005 onwards: Selector lever in position “P”. Press

accelerator pedal to briefly rev engine up to at least 2,500 rpm.

 

The ATF temperature at the beginning of the test must not be higher than 30°C. If necessary, first allow the gearbox to cool down.

 

Using a diagnostic system, select Auto Trans 03, Measuring Blocks 08, Display group 10, ATF temp is shown in Zone 3.

 

When the ATF has reached a temperature of 35°C, unscrew ATF inspection plug -B-.

 

When the plug is opened, approx. 5 cl of ATF will always run out of the inner oil level tube

 

If ATF continues to come out through ATF inspection opening via overflow pipe

before ATF has reached a temperature of 40 °C, the ATF level is OK.

 

Renew ATF inspection plug and tighten. Tightening torque: 20 Nm.

 

ATF inspection plug must be screwed in again at the latest when ATF reaches temperature of 45 °C (countries with hot climates: 50 °C).

 

If ATF temperature exceeds 45 C, too much fluid will escape as it expands when heated. In this case the quantity of fluid in the gearbox is NOT sufficient!

 

The ATF check is now completed.


wor-mate
 Posted August, 2009
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many thanks for the absolute top information, think i may be able to under cut vag spec tool by taking a trip to my hydraulics dealer for a hose and some fittings.
stew060
 Posted July, 2010
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hi i have a 54 plate a4 tdi sport with a multitronic gearbox can you tell me if it is the same procedure as you have described in this post to change the atf thanks
Crasher
 Posted July, 2010
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Yes.


stew060
 Posted July, 2010
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hi thank you do you keep engine running during check
K And R
 Posted July, 2010
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Stew

Yes, thats why the temp. is important, as it climbs while the engine is running !!

Kev.

"If you dont KNOW how it works, don,t try to test or fix it"

stew060
 Posted July, 2010
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thanks just refitted the ecu just making sure i had the right procedure for refilling the oil cheers

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