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Driveline
Slip Spline Lubrication Procedure
Always use a good E.P. grease meeting NLGI Grade 2 speci
fi
cations on Glidecote™ and steel splines. The same lubricant used for
universal joints is satisfactory for slip splines.
Re-lube splines as the interval prescribed in the “Driveline Lubricants” section. Apply grease gun pressure to lubrication zerk
until lubricant appears at pressure relief hole in welch plug
at slip yoke end of spline (Photo 1). At this point, cover pressure
relief hole with
fi
nger and continue to apply pressure until grease appears at slip yoke seal (Photo 2). This will insure complete
lubrication of spline.
Figure 1 Figure 2
In cold winter months, activate the slip spline assembly by driving the vehicle sufficiently to cause displacement of the
grease prior to its stiffening. Otherwise, the slip yoke plug may be forced out due to hydraulic pressure causing loss of
grease and allowing abrasive contaminants to enter the slip spline
.
CAUTION