Now something that I constantly see failing in the
EVO is the front pinion bearing. This is a common occurrence in both daily
drivers and EVOs that see track time.
Apparently, Mitsubishi lowered the position of the oil fill/level plug in an attempt
to reduce parasitic drag to increase fuel economy. However, the lower oil level creates a lubrication
problem where the front pinion bearing doesn't receive enough oil to keep
it lubricated causing the front pinion bearing to run hot.
This overheated bearing on the right was
in a completely stock daily driver with less than 40k miles on it.
Another pinion bearing that ran hot. Note
the burnt oil and polished inner race bore from the bearing spinning on
the pinion shaft.
A makeshift solution for this problem has been to add some extra oil to
the rear differential but how much oil to add has been hard to know for
sure until now. So here is a nice solution that allows you to easily add the
additional correct amount of oil which will keep your front pinion bearing from running hot
and ruining your day. This isn't glam-shit as you don't want the front
bearing to spin on the pinion shaft because it'll wear the diameter of the
shaft down
and even a new bearing will be loose and spin.
Note: Fill the rear diff until oil level is halfway
up the sight glass. New oil sight covers have a fill line engraved on the
cover.
You can get a new rear cover with the oil
sight glass upgrade while your rear differential is being serviced for
MAX-LOCK for $85.
Includes:
-
new rear cover
-
oil sight glass
-
new fill plug & washer
-
new breather vent
If you are only
wanting to purchase a new upgraded cover the cost is
$115. SALE PRICE $100.
Want to see another service that we offer that keeps
your transmission happy, click here.
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