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These are Volvo instructions.
Remove
The oil dipstick and its pipe.
The splashguard under the engine.
Drain the oil and remove the oil filter.
Release the oil cooler from the sump.Hang up at the rear.
Remove the screw from the bracket for the fuel line.
Removing the oil sump(oil pan)
Slacken off all screwsholding the oil sump.
Remove all screws except fro four.
It is reccommended that four screws in the corners of the sump are left in place
Carefully tap the sump with a rubber mallet until the joint and its liquid gasket releases.
Remove the remaining screws.
Remove the sump.
Cleaning
Clean the gasket surfaces on the oil sump and cylinder block.
Use a razor blade or a gasket scraper and gasket solvent P/N 1161440
Warning Use a fume hood or extractor when using gasket solvent.(Fan if inside a garage)
Installing the oil pan
Apply liquid gasket P/N 1161 059-9 to the sump use roller P/N 951 2767 (Or mini roller from hardware store)
Install new o-rings
The oil sump.
Secure it loosely with a few screws.
Then the remaining screws.
Press the pump against the transmission
Tighten the screws (1),(2),(3) and (4) to 3Nm.
First tighten the screws (5) to 25Nm.
Then tighten to 48 Nm.
Tighten all screws in the sump joint to 17 Nm.
Start at the transmisson and continue fowards in pairs.
Install the screw for the bracket for the fuel line.
Connect the oil cooler to the sump.
Use new o-rings.
Reinstall the pipe to the subframe.
Install
A new oil filter
The oil drain plug with a new o-ring
The dipstick and its pipe also use a new o-ring.
Note: check that all the o-rings are positions are correctly.
Fill the engine oil.
Run the engine to operating temp.
Check for oil leaks from the sump or the oil cooler.
Install the splash sheild under the engine.
Check the oil level.Top it off if needed.
Some more notes:
You may have to support the Right side of the engine and drop the subframe a little to get the pan out.
Have someone help you when installing the pan and watch the o-rings to make sure they do not fall while installing the pan.
Make sure when the pan is off you remove the pipe in the oil pan and replace those o-rings at the same time when you have it apart.
Also make sure you remove the oil pick up tube and replace that o-ring.
I think that is about all.
If there is anymore quiestions feel free to ask.
I recently purchased a 1995 850 GLT sedan. last week, while it was on its way to a body shop to have some deer induced body damage repaired, the low oil pressure light came on. The body repairman stopped the car and checked the oil, found it to the full mark on the dipstick, then drove about 10 miles with the low oil pressure light on. I suspect the oil pan o-rings are the cause of the low oil pressure but I am having a difficult time getting the oil pan off. My car seems to be a little different than your instructions. I did not find an oil cooler or fuel line in the vicinity of the oil pan, but did find that the power steering lines run under the left end (the transmission end) of the oil pan and are preventing me from getting the pan down from the engine. I have removed all the pan bolts and have it broken free from the engine block, but can only lower it till it hits the power steering lines. Do you have any suggestions on how to get the lines out of the way?
I have a 95 850 GLT. First of all, is there an oil cooler on it, and second, can I get it off, as well as the oil pan without taking the major braces of of the bottom of the car? I will post pictures as I'm doing this job to make it easier on me, as well as whomever will read this. Thanks Tech!!!
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Oil pan o-ring installation instructions
