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Cleaning Engine BLock

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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Cleaning Engine BLock

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On the top of my engine it looks to be corroding and I'm not sure how to clean it, any tips?

White850Turbo
Posts: 923
Joined: 11 April 2004
Year and Model:
Location: Plano, TX

Post by White850Turbo »

It shouldn't really be corroding; probably just oxidizing. The solution will take a lot of time and elbow grease. You can just sand the valve cover, starting with 100 grit and continually going up to about 1200 grit; higher if you want a more polished look. This will take several hours.
-Sean

1995 850 Turbo (Extensively Modded)

1998 S70 T5 (Almost Stock)

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