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Old 01-25-2000, 06:19 PM
Since66 Since66 is offline
Join Date: Jan 2000
Location: Out on the old Santa Fe Trail
Posts: 235
Re degreasers; Beware of the water-based butyl solvents as most are strongly alkaline in nature and will "frost" the aluminum valve covers found on diesels and many older MBs. If the engine is exceptionally greasy (as in valve cover leak) pre-soak with diesel fuel or kerosene, wait a few minutes then rinse with a hot water high pressure washer. Avoid spraying water directly at fuse box, elec relays and components, and be sure to rinse well! If an air chuck is available, blow all water out of crevices underhood.
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