2013 ZF 8HP55 0BK quattro: complete fluid change
Hi Everyone,
I'm getting ready to do a fluid flush on my 2013 A5 w/ 8-speed Tiptronic 0BK.
Based on my research (link), the fluids and capacities needed are below:
Transmission (3.6 - 4.0 L) G060 162 A2 (Alternative: ZF Lifeguard 8)
Front final drive (1L) G 052 145 S2
Rear final drive (1.1L) G 052 145 S2
Transfer case (1L) G 055 145 A2
above from Repair Manual Edition 08.2011
UPDATE: I was able to change the transmission fluid, as well as front/rear final drive without big issues. The clearance for the front and rear drives are tight, so get as short of a hex bit as you can. You have only about 5 cm for the front/back final drive drain bolt. The transmission plugs are easy comparatively.
You can just drain and fill the final drives (aka differentials) without the engine running. In fact, fluid must be at room temperature (or 20 C).
You must follow specific steps to fill the transmission fluid. Search for "oil filling automatic transmission 8hp55A audi" and you will find instructions. Here's a quick summary:
1. After you drain and tighten the drain bolt, fill fluid through the fill hole until fluid just overflows the fill hole.
2. In "P" gear, start the engine and turn off after 20 seconds
3. Fill more fluid through the fill hole until the fluid just overflows.
4. Start engine again and fill more fluid until the fluid just overflows.
5. With the brake peddle depressed, go through from "P" to "R", wait 3 seconds, then to "N" 3 sec, then to "D" 3 sec, then to "S" 3 sec, then back to "P"
6. Close fill plug.
7. Turn off the engine
8. Connect VAG-COM / VCDS to get ATF reading
9. You must wait until the ATF temperature cools to below 30 C.
10. Start the engine once ATF is below 30 C
11. With the brake peddle depressed, go through from "P" to "R", wait 10 seconds, then to "N" 10 sec, then to "D" 10 sec, then to "S" 10 sec, then back to "P"
12. Keep the engine running, when ATF temp hits 35 C, open the fill hole and wait for fluid to overflow (because heat expands the fluid's volume)
13. If fluid overflows after 35 C and slows to a trickle before 40 C, then your level is good.
14. Install fill plug when ATF is around 40 C, before 45 C.
13. If no fluid comes out after ATF temp after 40 C, then you need more fluid.
14. Install fill plug.
15. Wait until ATF cools to below 30 C and start the engine. (It will take HOURS!)
16. With the brake peddle depressed, go through from "P" to "R", wait 10 seconds, then to "N" 10 sec, then to "D" 17 sec, then to "S" 10 sec, then back to "P"
18. Keep the engine running, when ATF temp hits 35 C, open the fill hole and fill with fluid until overflow. You should see the fluid to continue to overflow as the ATF temp increases due to thermal expansion.
19. Install fill plug ATF around 40 C, before 45 C.
40C is the maximum fluid level
50C is the minimum fluid level (don't go there, 50 C is for "hot" climates)
Cheers,
Alex
Hi Everyone,
I'm getting ready to do a fluid flush on my 2013 A5 w/ 8-speed Tiptronic 0BK.
Based on my research (link), the fluids and capacities needed are below:
Transmission (3.6 - 4.0 L) G060 162 A2 (Alternative: ZF Lifeguard 8)
Front final drive (1L) G 052 145 S2
Rear final drive (1.1L) G 052 145 S2
Transfer case (1L) G 055 145 A2
above from Repair Manual Edition 08.2011
UPDATE: I was able to change the transmission fluid, as well as front/rear final drive without big issues. The clearance for the front and rear drives are tight, so get as short of a hex bit as you can. You have only about 5 cm for the front/back final drive drain bolt. The transmission plugs are easy comparatively.
You can just drain and fill the final drives (aka differentials) without the engine running. In fact, fluid must be at room temperature (or 20 C).
You must follow specific steps to fill the transmission fluid. Search for "oil filling automatic transmission 8hp55A audi" and you will find instructions. Here's a quick summary:
1. After you drain and tighten the drain bolt, fill fluid through the fill hole until fluid just overflows the fill hole.
2. In "P" gear, start the engine and turn off after 20 seconds
3. Fill more fluid through the fill hole until the fluid just overflows.
4. Start engine again and fill more fluid until the fluid just overflows.
5. With the brake peddle depressed, go through from "P" to "R", wait 3 seconds, then to "N" 3 sec, then to "D" 3 sec, then to "S" 3 sec, then back to "P"
6. Close fill plug.
7. Turn off the engine
8. Connect VAG-COM / VCDS to get ATF reading
9. You must wait until the ATF temperature cools to below 30 C.
10. Start the engine once ATF is below 30 C
11. With the brake peddle depressed, go through from "P" to "R", wait 10 seconds, then to "N" 10 sec, then to "D" 10 sec, then to "S" 10 sec, then back to "P"
12. Keep the engine running, when ATF temp hits 35 C, open the fill hole and wait for fluid to overflow (because heat expands the fluid's volume)
13. If fluid overflows after 35 C and slows to a trickle before 40 C, then your level is good.
14. Install fill plug when ATF is around 40 C, before 45 C.
13. If no fluid comes out after ATF temp after 40 C, then you need more fluid.
14. Install fill plug.
15. Wait until ATF cools to below 30 C and start the engine. (It will take HOURS!)
16. With the brake peddle depressed, go through from "P" to "R", wait 10 seconds, then to "N" 10 sec, then to "D" 17 sec, then to "S" 10 sec, then back to "P"
18. Keep the engine running, when ATF temp hits 35 C, open the fill hole and fill with fluid until overflow. You should see the fluid to continue to overflow as the ATF temp increases due to thermal expansion.
19. Install fill plug ATF around 40 C, before 45 C.
40C is the maximum fluid level
50C is the minimum fluid level (don't go there, 50 C is for "hot" climates)
Cheers,
Alex
