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Engagement Concern: No Reverse

ENGAGEMENT CONCERN: NO REVERSE CHART

Possible Component Reference/Action
202 - ELECTRICAL ROUTINE 
  • No Electrical Concerns
  
302 - HYDRAULIC/MECHANICAL ROUTINE 
Fluid   
  • Incorrect level
  • Adjust fluid to correct level.
  • Inspect condition of fluid.
  • Condition
Shift Linkage 
  • Inspect and repair as required. Verify transmission shift cable adjustment; refer to CABLE ADJUSTMENT . Adjust transmission shift cable as necessary. After repairing transmission shift cable, verify that the digital TR sensor is correctly adjusted. Adjust the digital TR sensor as necessary.
  • Damaged or incorrectly adjusted
Incorrect Pressures 
  • Check pressure at line pressure tap; refer to Line Pressure Chart for specifications. If pressures are low, check the following components: oil filter and seal assembly, main controls, reverse servo, pump assembly, reverse clutch assembly.
  • Low reverse clutch pressure, low reverse band pressure, low line pressure
Fluid Filter and Seal Assembly 
  • Install a new filter and seal assembly.
  • Plugged, damaged
Main Controls   
  • No. 6 shuttle ball, manual valve, main regulator valve, 1-2 accumulator seals stuck or damaged
  • Inspect for damage. Repair as required.
  • Loose bolts
  • Tighten bolts to specifications.
  • Inspect for damage and install a new gasket.
  • Gasket damaged
Low/Reverse Servo 
  • Inspect for damage. Repair as required.
  • Seals (piston and cover) damaged
  • Servo cover retaining ring damaged
 -
  • Anchor pins (case) damaged
Pump Assembly   
  • Loose bolts
  • Tighten bolts to specifications.
  • Porosity/cross leaks/ball missing or leaking, plugged hole
  • Inspect pump assembly. Install new as required.
  • Gasket damaged
  • Inspect for damage and install a new gasket.
  • Inspect for damage. Repair as required.
  • No. 1 and 2 seal rings damaged
Reverse Clutch Assembly   
  • Seals, piston damaged
  • Inspect for damage. Repair as required.
  • Check ball missing or damaged
 -
  • Friction elements damaged or worn
Low/Reverse Band 
  • Inspect for damage. Repair as required.
  • Band, servo, anchor pins damaged or worn
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