Checks
| Cause
|
DEFINITION: One
of the two following conditions occurs during a first to second gear steady
throttle upshift, or a second to first gear coast, or a light to moderate
throttle detent downshift:
| • | Harsh shift feel -- an unacceptable quick gear change occurs. |
| • | Soft shift feel -- an unacceptable long gear change occurs. |
|
Automatic Transmission Fluid Level - soft shift only
| Low fluid level
|
Transmission
Main Line pressure
| Low or high transmission main line pressure
|
Oil Filter Assembly - soft
shift only
|
| • | The oil filter assembly (100) is missing, plugged, or damaged. |
| • | The oil filter seal assembly (101) is missing or damaged. |
|
1-2 Accumulator Assembly
|
| • | Misassembled or upside down 1-2 accumulator assembly |
| • | Damaged or missing 1-2 accumulator piston oil seal ring
(137A) |
| • | A damaged or missing 1-2 accumulator piston cushion spring
(139) or outer spring (142) |
| • | A stuck or binding 1-2 accumulator piston (136A) |
| • | Debris in the passages of the accumulator cover spacer plate (134) |
|
Control Valve Body Assembly
|
| • | Debris in the passages of the control valve body (301) or spacer
plate assembly (370) |
| • | Missing or mislocated #2 ball check valve (372) |
| • | Misassembled 1-2 accumulator valve (340-345) line-up |
| • | Stuck or binding 1-2 accumulator valve (341) |
| • | Damaged or missing 1-2 accumulator valve spring (340) |
| • | Missing, damaged, or misassembled 2-3 accumulator valve
bushing (345), bore plug (343), or retainers (342, 385) |
|
Driven Sprocket
Support Assembly - soft shift only
|
| • | A damaged second clutch housing oil seal rings (613) or the four
lobe oil seal ring seals (612) |
| • | Worn or damaged second clutch housing bushings (616, 619) |
|
Second Clutch Assembly
|
| • | Missing or not seated second clutch basking plate retaining ring
(627) |
| • | Missing or misassembled second clutch backing plate (626) |
| • | Worn, damaged or misassembled clutch plates (623-625) |
| • | Missing or not seated second clutch spring retaining ring (622) |
| • | A damaged spring assembly (621) or piston (620) |
| • | A missing or damaged second clutch housing ball check valve assembly
(618) |
| • | A damaged second clutch housing assembly (617) |
|
