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Oil will not return to oilpan, where are return.
1988 FORD THUNDERBIRD
Oil will not return to oilpan, where are return holes located?
Monday, March 18th, 2013 AT 7:42 PM
Depends on the engine size but they're cast as part of the cylinder head(s). If oil is hanging up in the heads, the engine is full of sludge.
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Monday, March 18th, 2013 AT 10:05 PM
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