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I decided to bite the bullet and remove my oil pan this weekend to check for sludge. I based the work on info that Ricot83 posted recently - many thanks. The following is what happened:
Put car on ramps so I could crawl underneath.
Drained oil, removed filter and dipstick.
Removed plastic under shields to get access to front subframe bolts.
Removed passenger side plastic shield in wheel well.
Removed front bolts on each side of subframe.
Loosened center and rear bolts on passenger side to allow subframe to be forced down.
Unscrewed front exhaust sensor (after loosening wire from clamp) and hung it up on engine somewhere.
Removed rear exhaust sensor wire connector from bracket mounted to top of engine and fed wire down to exhaust. I thought that was easier than unscrewing the sensor!
Unbolted front section of exhaust from turbo manifold, removed clamp at other end and then took front exhaust section off.
Using pry bar, forced the front end of the subframe down about 1 3/4" and locked pry bar in place with an axle stand.
Removed all screws holding oil pan on.
Used screwdriver to pry oil pan from engine block. There are a couple of handy pry positions supplied on either side.
Now found that I couldn't get pan out from between engine and subframe so jacked engine up a bit and oil pan then grudgingly came out.
After removing strainer from pan, I found that I had done all this work for nothing as it was a sludge free zone!
Cleaned it all up, sparingly applied HYLOMAR HPF to joint surface and put everything back together with new filter and oil obviously.
At least I can sleep better now!
Put car on ramps so I could crawl underneath.
Drained oil, removed filter and dipstick.
Removed plastic under shields to get access to front subframe bolts.
Removed passenger side plastic shield in wheel well.
Removed front bolts on each side of subframe.
Loosened center and rear bolts on passenger side to allow subframe to be forced down.
Unscrewed front exhaust sensor (after loosening wire from clamp) and hung it up on engine somewhere.
Removed rear exhaust sensor wire connector from bracket mounted to top of engine and fed wire down to exhaust. I thought that was easier than unscrewing the sensor!
Unbolted front section of exhaust from turbo manifold, removed clamp at other end and then took front exhaust section off.
Using pry bar, forced the front end of the subframe down about 1 3/4" and locked pry bar in place with an axle stand.
Removed all screws holding oil pan on.
Used screwdriver to pry oil pan from engine block. There are a couple of handy pry positions supplied on either side.
Now found that I couldn't get pan out from between engine and subframe so jacked engine up a bit and oil pan then grudgingly came out.
After removing strainer from pan, I found that I had done all this work for nothing as it was a sludge free zone!
Cleaned it all up, sparingly applied HYLOMAR HPF to joint surface and put everything back together with new filter and oil obviously.
At least I can sleep better now!