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Oil Cooler Elimination:
This is a critical step when installing a new, remanufactured
or rebuilt engine.
The
successful installation of a remanufactured engine
has a great deal to do with the cleanliness of the
job.
Thoroughly cleaning the oil pump screen, oil pan, valve
cover(s), manifolds and related parts is an absolute
must.
Some vehicles came from the factory with external engine
oil coolers. There's a few different styles
of oil coolers out there, but regardless of
the design, they do a great job of trapping grit,
bearing material and other particles from the worn
out engine that's being replaced.
For this reason all oil coolers must be replaced
or eliminated when installing a remanufactured engine.
The question is often raised as to why this is, and the
answer is simple. The new engine with higher
oil pressure, on start up will dislodge trapped debris
in the oil cooler and force it into the bearings of
the new engine. This will cause premature wear
in most cases, or sometimes an instant failure.
Replacing an engine oil cooler can sometimes be very costly
but on some models it's possible to eliminate the
cooler instead.
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