Mainshaft Disassembly; Mainshaft Gear Identification; Removing/Installing Mainshaft Geartrain Snap Ring; Removaing/Installing Mainshaft - Dodge D150 1990 Service Manual

Rear wheel drive ram truck

Table of Contents

MANUAL TRANSMISSION

(1) Refer to Figure 6 for location o f various gears,

synchronizer sleeves a n d clutches before

b l i n g mainshaft.

(2) Remove snap r i n g t h a t r e t a i n s g e a r t r a i n o n

mainshaft (Fig. 7).

(3) Remove O/D stop r i n g f r o m mainshaft (Fig. 6).

(4) Remove and inspect 3rd a n d O/D synchronizer

c l u t c h gear and sleeve assembly from mainshaft (Fig.

7). D o n o t d i s a s s e m b l e c l u t c h g e a r , sleeve, s h i f t

s t r u t s , o r s p r i n g s u n l e s s i n s p e c t i o n i n d i c a t e s r e -

p l a c e m e n t p a r t i s r e q u i r e d .

Fig. 6 Mainshaft

Identification

O/D SPEED GEAR

Fig. 7 Removing/Installing

(5) Compress mainshaft rear bearing snap

w i t h long nose pliers (Fig. 8).

(6) H o l d rear bearing snap r i n g i n compressed po-

s i t i o n and p u l l mainshaft and b e a r i n g o u t o f exten-

sion housing (Fig. 9).

(7) Remove mainshaft rear b e a r i n g snap r i n g ( F i g .

(8) Remove rear b e a r i n g from mainshaft w i t h steel

plates (or bearing splitter) a n d shop press. I n s e r t

steel plates on front side o f 1st speed gear and press

mainshaft t h r o u g h a n d o u t of rear bearing. Do n o t

damage gear teeth w h e n removing bearing.

1ST AND 2ND CLUTCH

1ST SPEED GEAR

Fig. 9 Removing/Installing

Fig. 10 Removing/Installing

Rear Bearing

(9) Remove rear bearing, bearing snap r i n g , 1st

gear and 1st gear stop r i n g from mainshaft.

(10) Remove snap r i n g t h a t retains 1st a n d 2 n d

clutch gear a n d sleeve assembly on mainshaft (Fig.

(11) Remove 2nd speed gear (Fig. 11).

(12) Remove and inspect 1st a n d 2 n d clutch gear

and sleeve assembly f r o m mainshaft. D o n o t disas-