03-22-2010, 09:10 PM
Officially Welcomed to the 'Fest
Join Date: Mar 2010
Mein Auto: 2002 530i Sport
Oil Filter Housing Gasket - '02 530i
Started tackling the oil filter housing gasket replacement this weekend, and just wanted to share a few observations. This is not an attempt at creating a detailed DIY, as the existing ones are great, but just a few extra notes.
Existing DIY's found here:
1) When disconneting the battery, isn't it safer (and maybe simpler?) to disconnect the negative terminal rather than the positive as suggested previously? Either way the battery ends up being isolated from being part of a circuit. By working on the negative terminal, you, the tools, the car body, and the battery terminal are all at the same electrical potential.
2) The two bolts at the very bottom of the housing (at least on an '02 530) are the only thing holding the power steering pump in place. This may be overkill, but I used a scrap of wood to support the dangling pump from below, and then removed the other six bolts and the housing itself.
3) It was not as messy as I expected. The amount of oil that spills out once you actually remove the housing is realatively small, and it was all contained by the various ridges along the side of the engine block.
4) As noted in other threads, later versions of the housing do not have the "freeze plug" issue, and appear to be more like threaded plugs. Mine looked fine, so I didn't want to mess with them, and I didn't have a torx bit that large anyhow.
Is looking at the insides of the oil filter housing (pic below) and what little you can see in the engine block (1st pic above) a reasonable indication of the condition of the rest of the engine? as far as sludge goes? It looks pretty good to me for 129,000 miles, but I'm no expert.
I stopped half way through, since I decided I might as well replace the belt tensioner and idler pulley while I'm at it. Picked those up today, and hopefully will finish one night this week.