Dodge RAM TRUCK 1500 1995 Service Manual page 1405

21 -
1 2 2
42RH/46RH/47RH TRANSMISSION DIAGNOSIS AND
T E S 7 E H G
— — — — — — — B R
TEAMSmmSiON DIAGNOSE®
CONDITION
P O S S I B L E C A U S E S CORRECTION
BUZZING NOISE - CONT.
4. Valve body misassembled, bolts
loose, weak spring, or mis­
positioned valve or check ball.
4. Remove, disassemble, inspect valve body;
reassemble correctly if necessary; replace
assembly if valves or springs are damaged.
OIL COMES OUT
FILLER TUBE
1. Transmission overfilled.
2. Breather vert in oil pump blocked.
3. Fluid cooler or cooler lines
plugged.
4. Air in fluid (aerated).
5. Oil filter clogged.
6. Rear servo piston or seal failure.
7. Valve body switch valve sticking.
1. Drain fluid to correct level; remove neutral
switch and drain through switch hole with
suction gun.
2. Inspect and clear blockage.
3. Flush cooler and lines. \
p
4. See "Slips in Forward Drive Ranges."
5. Replace filter; determine the reason for
clogged condition and repair.
6. Check hydraulic pressure at servo in
reverse (will register low or fluctuate rapidly).
7. Remove and clean valve.
OIL LEAKS (ITEMS LISTED
R E P R E S E N T POSSIBLE
LEAK POINTS AND SHOULD
ALL B E CHECKED).
1. Speedometer adapter.
2. Pan gasket.
3. Filler tube (where tube enters case).
4. Fluid lines and fittings.
5. Valve body manual lever shaft
seal.
6. Pressure port plug loose.
7. Rear bearing access plate.
8. Gasket damaged or bolts are
loose.
9. Adapter/extension gasket
damaged.
10. Neutral switch.
11. Converter housing area.
12. Cooler line fittings and hoses.
13. Pump seal.
14. Torque converter.
1. Replace both adapter seals.
2. Tighten pan screws to 150 inch-pounds;
if leaks persist, replace gasket, do not
overtighten screws. •
3. Replace O-ring seal.
4. Tighten fittings; if leaks persist, replace
fittings and lines if necessary.
5. Replace shaft seal.
6. Tighten to correct torque; replace plug if
leak persists.
7. Replace gasket.
8. Replace bolts or gasket or tighten bolts.
9. Replace gasket.
10. Replace switch and gasket.
11. Check for leaks at seal caused by worn
seal or burr on converter hub (cutting seal),
worn bushing, missing oil return, oil in front
pump housing, or hole plugged. Check for
leaks past O-ring seal on pump, or past
pump-to-case bolts; pump housing porous,
oil coming out vent due to overfill or leak
past front band shaft access plug.
12. Replace fittings and hoses.
13. Replace seal.
14. Replace converter.
J9521-137