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DIY Oil Pan / Sump Replacement 1.8T Quattro

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Old 02-10-2010, 05:28 PM
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Default DIY Oil Pan / Sump Replacement 1.8T Quattro

First off, thanks hosickjg!

I had to remove my oil pan this week and I was shocked to find that there is no DIY for how to remove a sump, but lots of people seem to be looking for information about this job. I took photos of my experience so here goes:

Before I start, this is a difficult job. If you have never replaced a transmission, engine or clutch in a front wheel drive car, DON'T ATTEMPT! I rate this a 7.5/10

First Step:
Take the car to an air conditioning specialist and have the air conditioning system discharged.

Second step:
Unhook battery

Third step:

Put this front clip in the service position . This just means taking weight off the front end. After doing this remove all the bottom covers to expose the oil pan.



Fourth step:
Support the transmission using a jack and wood so you don't damage the transmission. Remove the lower A/C line off the compressor.





Fifth Step:
Loosen the rear bolts (one on each side) for the front sub-frame. Do NOT take them out. Loosen them so about 1 inch is sticking out.



Next:
Drain the oil from the engine. Remove the oil pan engine mount and turbo return line.



Next:
Remove the bottom engine mount bolts on the left and right side engine mounts.





Next:
This step is optional. I found it easier to access some of the oil pan bolts at the back of the pan but you can do this job without this step. I removed the coolant reservoir and throttle body.



Next:
Place another jack under the front of the sub-frame. Remove the front sub-frame bolts (there are 3 on each side). Lower the sub-frame using the jack. The sub-frame should drop about 8 inches. This drop will allow you to access the rear oil pan bolts.

Next:
Undo all the oil pan bolts. You will need a 16mm socket and a 10mm socket. Unhook the oil level sensor. Now is the tricky part. I wish I had a guide to tell me about the 2 hidden bolts. There are 2 windows between the transmission and oil pan. Inside these windows you will see the fly wheel. Turn the fly wheel until you see a gap in the fly-wheel and through that gap you see a bolt. You will need a LONG 5mm hex-key to get both these bolts out. Good luck finding one. I found one at Brafasco. I then modified the end with a grinder so it was a flat end and less likely to damage the hex-key bolt. REMEMBER: If you damage this hex-key bolt you will have to remove the transmission and flywheel to get the oil pan off!!!!







Next:
Using a 2x4, pry the sub-frame down enough to remove the oil pan.



Next:
Remove the oil pan. Inspect and clean.





Next:
Apply a thin bead of silicone (buy from Audi!) to the mating surface of the oil pan. REMEMBER: if you over-do the silicone and it gets into the engine that can spell the end of your 1.8 Turbo. They have small oil journals that can be easily clogged.

Next:
Allow the silicone to set for 20 to 30 minutes before installing the oil pan. You want it to start to get tacky. Pry down the sub-frame and install the oil pan. Snug one bolt and each side to start to hold the pan in place.

Next:
Locate the transmission windows and re-install the 2 bolts behind the flywheel. REMEMEBER: These don’t have to be very tight. If you damage them the next person to have to remove this pan is going to be VERY angry.

Next:
Follow all steps in reverse. Fill with oil and anti-freeze. Clean up and enjoy the satisfaction of a job well done.
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Old 02-13-2010, 06:38 PM
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Thumbs up Re: DIY Oil Pan / Sump Replacement 1.8T Quattro

Everyone!
This is a first class DIY, well documented with great pics!
Kudos and thanks to hosickjg!
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Old 02-13-2010, 07:30 PM
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Default Re: DIY Oil Pan / Sump Replacement 1.8T Quattro

I edited your post, now it has all the info on there, let me know if anything was missed and thank you for the great writeup.
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Old 02-13-2010, 07:36 PM
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Default Re: DIY Oil Pan / Sump Replacement 1.8T Quattro

Wow, looks great. Thanks for allowing that to be posted "1move".

Jon
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Old 02-14-2010, 01:38 PM
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Default Re: DIY Oil Pan / Sump Replacement 1.8T Quattro

Great write up, images are now local
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Old 05-25-2010, 06:33 PM
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Default Re: DIY Oil Pan / Sump Replacement 1.8T Quattro

Who-ever decided to place those two hidden bolts inside the bell housing should be shot. I was able to remove one of the two, but the bolt in the closer to the center has been fighting me for the last 3 hours. I simply cannot get this bolt out

The car is automatic, and i have placed it in neutral (with the e-brake on) however spinning the flywheel is nearly impossible. Does anyone know of the best way to gain access to flywheel, without dropping the entire subframe/engine/transmission!??!

Thanks in advance for the assistance. Stupid sludge got the best of me
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Old 07-25-2012, 02:42 PM
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Default Re: DIY Oil Pan / Sump Replacement 1.8T Quattro

Great right up thanks, this job is a pain in the *** eh! think ill let my Audi drip
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Old 08-07-2018, 02:33 PM
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Default Re: DIY Oil Pan / Sump Replacement 1.8T Quattro

Can i get a full list of tools and stuff i need to do this?
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