Dodge RAM 1500 1998 Owner's Manual page 1892

DR
AUTOMATIC TRANSMISSION - 48RE (Continued)
SPECIFICATIONS
TRANSMISSION
GENERAL
Component
Planetary end play
Input shaft end play
Clutch pack clearance/
Front.
Clutch pack clearance/
Rear.
Front clutch
Rear clutch
Overdrive clutch
Direct clutch
Band adjustment from
72 in. lbs.
Front band
Rear band
Recommended fluid
Front clutch thrust washer (reaction shaft support hub)
Rear clutch thrust washer (clutch retainer)
Intermediate shaft thrust plate (shaft hub pilot)
Output shaft thrust washer (rear clutch hub)
Rear clutch pack snap-ring
Planetary geartrain snap-ring (at front of output shaft)
Overdrive piston thrust plate
Intermediate shaft spacer
Metric Inch
0.150-1.22 0.006-0.048
mm in.
0.86-2.13 0.034-0.084
mm in.
2.5-4.09 0.098-0.161
mm in.
0.635-0.914 0.025-0.036
mm in.
5 discs
4 discs
5(STD) OR 6(Diesel HO)
discs
23 Single Sided discs
Back off 1 3/4 turns
Back off 3 turns
Mopar ATF +4
THRUST WASHER/SPACER/SNAP-RING DIMENSIONS
Component
AUTOMATIC TRANSMISSION - 48RE
GEAR RATIOS
1ST GEAR
2ND GEAR
3RD GEAR
4TH GEAR
REVERSE
Metric
1.55 mm
2.15 mm
2.59 mm
1.55 mm
1.5-1.6 mm
1.3-1.4 mm
1.75-1.8 mm
2.1-2.2 mm
1.5-1.6 mm
1.9-1.95 mm
1.4-1.5 mm
1.6-1.7 mm
Thrust plate and
spacer are select fit.
Refer to size charts
and selection
procedures in
Overdrive Unit D&A
procedures
21 - 189
2.45:1
1.45:1
1.0:1
0.69:1
2.20:1
Inch
0.061 in.
0.084 in.
0.102 in.
0.061 in.
0.060-0.063 in.
0.052-0.054 in.
0.068-0.070 in.
0.083-0.085 in.
0.060-0.062 in.
0.074-0.076 in.
0.055-0.059 in.
0.062-0.066 in.