Clutch Partially Applied Or Slipping

TRANSMISSION

TROUBLESHOOTING

CAUSE

REMEDY

4. Clutches not applying

4. Check pressures. Adjust if necessary.

Defective clutch. Repair as necessary.

Clutch Partially Applied Or Slipping

1. Spool valve clearance too great. Replace desired to

1. Oil leaking into apply oil passage when not

do so spool and if necessary, replace valve assembly.

Valve mounting gasket defective or valve body loose on

its mounting. Replace or tighten mounting screws as

necessary.

2. Replace entire set.

2. Weak or broken retraction springs

3. Replace both if necessary.

3. Indentions worn in the clutch hub or clutch ring

Foreign particles between piston and housing.

4. Jammed piston or limited piston travel

Repair as necessary. If fwd.-rev. pack is in question,

the bleed hole in the housing may be restricted. This

condition is apt to be noticed at high speeds. Remove

piston and eliminate restriction.

5. Replace rings as necessary. If seal rings are

5. Defective end housing O-rings or seal rings

defective, inspect mating bore and replace bore

component if the ring-sealing surface is not in good

condition.

6. Remove, inspect and replace parts as necessary.

6. Glazed, worn wrong or warped clutch friction discs

or separator plates

7. Stake in place. Install a new ball and stake in place.

7. Steel ball in end housing loose or missing

8. Install a new plug.

8. End-housing-pipe plug missing

Control Valve Will Not Shift

1. Flush with clean solvent and check for scoring of

1. Spool valve sticking in valve body due to dirt or

spool valve and bore or for spool binding. Oil spool

misalignment caused by external damage to linkage.

before installing. Check linkage.

B-116