Transmission fluid ???

I used Royal Purple in both. Even though the manual says you don't need to change it unless there is a leak, it also says to wait until your oil life monitor runs out before the engine oil needs changing. And we know how often that happens on forum member's cars.
I checked my 05 manual for instructions for the A4. It seems that there is only one plug for draining and filling. It says that after letting the fluid out, to drop the pan and let the rest of it out. The thing is, I'n not sure how necessary that is because the procedure includes instructions for changing the filter, which requires taking off the pan. So I guess it depends on how much gets left in the pan after draining. Maybe it's a lot.

Then, after filling back up to the fill hole, it says to install the plug, turn on the engine and let the fluid get up to temp. Move the lever through each gear, pausing for a few seconds in each one. Put it back in park, and with the enging running, undo the fill plug again and top it off.

Torque spec for the plug is 22lb-ft
Drop the pan and change a filter never done this before and don't know if I want take this to that level. One big mess. But it would seem to me to do a complete auto trans service one would have to drop the pan and change filter since there is old tranny fluid in the filter and pan. Now just have to find out how to do that part.
The rear end has to be easier I hope just drain and change and 2 bolts? No pan removal?
But that is another picture
So then like the first engine oil change to get out the metal shavings after its broken in it is the same with the two above components the auto trans and the rear differential?

I used Royal Purple in both. Even though the manual says you don't need to change it unless there is a leak, it also says to wait until your oil life monitor runs out before the engine oil needs changing. And we know how often that happens on forum member's cars.
I checked my 05 manual for instructions for the A4. It seems that there is only one plug for draining and filling. It says that after letting the fluid out, to drop the pan and let the rest of it out. The thing is, I'n not
sure how necessary that is because the procedure includes instructions for changing the filter, which requires taking off the pan. So I guess it depends on how much gets left in the pan after draining. Maybe it's a lot.

Then, after filling back up to the fill hole, it says to install the plug, turn on the engine and let the fluid get up to temp. Move the lever through each gear, pausing for a few seconds in each one. Put it back in park, and with the enging running, undo the fill plug again and top it off.

Torque spec for the plug is 22lb-ft
That looks like the rear end differential cover I hope that doesn't have to be removed to be changed
Otherwise if you take it to a dealership for that mess I don't think if you bring Redline with you to put in they will not do that
Yea, this info is from the shop manual, not the owners manual. That would be wishful thinking.
Which bolt sizes are you asking about? The fill plug on the diff takes an allen. I don't remember the size, or what the drain plug was, but I can check. For the A4 plug, it doesn't say what size it needs.
I have seen posts where members have brought in their oil of choice and had their dealer swap it in. So that's an option if your dealer has a cool service department.
I don't think the filter change is too hard. Just more bolts to turn. I can write up the details if you'd like.
Yea, this info is from the shop manual, not the owners manual. That would be wishful thinking.
Which bolt sizes are you asking about? The fill plug on the diff takes an allen. I don't remember the size, or what the drain plug was, but I can check. For the A4 plug, it doesn't say what size it needs.
I have seen posts where members have brought in their oil of choice and had their dealer swap it in. So that's an option if your dealer has a cool service department.
This is what I doI don't think the filter change is too hard. Just more bolts to turn. I can write up the details if you'd like.
The oil filter and oil change is very easy it uses a 13 mm drain plug.
On the drain plugs for the rear end and the auto 4 spd. trans I was wondering what the drain plug size is. What size ratchet do you use.
I still would think it is a typo on GM's part though.....how's they get from 3 to 6?
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Yea, this info is from the shop manual, not the owners manual. That would be wishful thinking.
Which bolt sizes are you asking about? The fill plug on the diff takes an allen. I don't remember the size, or what the drain plug was, but I can check. For the A4 plug, it doesn't say what size it needs.
I have seen posts where members have brought in their oil of choice and had their dealer swap it in. So that's an option if your dealer has a cool service department.
I don't think the filter change is too hard. Just more bolts to turn. I can write up the details if you'd like.
What are the service intervals for the rear end fluid and the automatic transmission? I know it says in the manual unless you have a leak leave it along.

A4 fluid capacity:
Oil pan removal - 5qt
Overhaul - 10.8qt
No mention of bolt sizes.
After draining fluid out the drain hole in the pan (from the pic in my previous post), reinstall the drain plug. Support the pan and remove it's bolts. (see below) Lightly tap the pan or pry it loose. Remove the pan and dran the rest of the fluid in it. Remove all traces of old gasket material from the mating surfaces.

Pull down on the filter with a twisting motion to remove. (above)
Remove the filter seal and discard. (below)

Coat the new filter seal with some transmission assembly lube (
), and install onto the case. Gently tap it into place using a socket. (see above) Install the new filter.Inspect the oil pan bolts. Reuse them if they look like the left image (#1 below), replace if the washers have reversed like in the right image.

Install a new oil pan gasket to the pan's sealing surface. Install the pan and tighten the bolts alternately and evenly to 8lb-ft.
Then, as I stated before, fill the pan and top it off with the engine running.
One more thing... it also says "The maintenance schedule information will only be found in the owners manual"

I used Royal Purple in both. Even though the manual says you don't need to change it unless there is a leak, it also says to wait until your oil life monitor runs out before the engine oil needs changing. And we know how often that happens on forum member's cars.
I checked my 05 manual for instructions for the A4. It seems that there is only one plug for draining and filling. It says that after letting the fluid out, to drop the pan and let the rest of it out. The thing is, I'n not sure how necessary that is because the procedure includes instructions for changing the filter, which requires taking off the pan. So I guess it depends on how much gets left in the pan after draining. Maybe it's a lot.

Then, after filling back up to the fill hole, it says to install the plug, turn on the engine and let the fluid get up to temp. Move the lever through each gear, pausing for a few seconds in each one. Put it back in park, and with the enging running, undo the fill plug again and top it off.

Torque spec for the plug is 22lb-ft

A4 fluid capacity:
Oil pan removal - 5qt
Overhaul - 10.8qt
No mention of bolt sizes.
After draining fluid out the drain hole in the pan (from the pic in my previous post), reinstall the drain plug. Support the pan and remove it's bolts. (see below) Lightly tap the pan or pry it loose. Remove the pan and dran the rest of the fluid in it. Remove all traces of old gasket material from the mating surfaces.

Pull down on the filter with a twisting motion to remove. (above)
Remove the filter seal and discard. (below)

Coat the new filter seal with some transmission assembly lube (
), and install onto the case. Gently tap it into place using a socket. (see above) Install the new filter.Inspect the oil pan bolts. Reuse them if they look like the left image (#1 below), replace if the washers have reversed like in the right image.

Install a new oil pan gasket to the pan's sealing surface. Install the pan and tighten the bolts alternately and evenly to 8lb-ft.
Then, as I stated before, fill the pan and top it off with the engine running.
One more thing... it also says "The maintenance schedule information will only be found in the owners manual"

this transmission service cost?
The rear end has to be easier I hope just drain and change and 2 bolts? No pan removal?
But that is another picture
So then like the first engine oil change to get out the metal shavings after its broken in it is the same with the two above components the auto trans and the rear differential?:QUOTE]

It is really slippery stuff. Makes the car shift a little smoother
this transmission service cost?

I agree. If I had that tranny, I'd probably just pay the dealer to do a complete flush with that machine, since it will change about twice as much fluid out as this method will. And I'd bring in my own fluid too.













