Engagement Concern: Delayed/Soft Reverse Or Forward

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DIAGNOSTIC ROUTINES - ENGAGEMENT CONCERN DELAYED/SOFT REVERSE OR FORWARD

Possible Component	Reference/Action
305 - HYDRAULIC/MECHANICAL ROUTINE
Fluid
Incorrect level, low	Fill to correct level.
Condition	Inspect fluid level and condition. Refer to PRELIMINARY INSPECTION .
External Shift Linkages
Damaged, out of adjustment or misassembly	Inspect and repair as necessary. Verify linkage adjustment. Refer to AUTOMATIC TRANSAXLE-TRANSMISSION EXTERNAL CONTROLS - CD4E . After repairing linkage, verify that the transmission range (TR) sensor is correctly adjusted.
Incorrect Pressures
Low line pressure	Check pressure at line tap. Carry out Line Pressure and Stall Speed Tests. Refer to SPECIAL TESTING PROCEDURES . If pressure is low, check the following possible components: main control, pump assembly, clutch assemblies, fluid filter and seal assembly, recirculating seal.
Internal Shift Linkages
Damaged, disconnected	Inspect and service as required. If servicing the linkage, verify that the TR sensor is correctly adjusted. Refer to TRANSMISSION RANGE (TR) SENSOR .
Pump Assembly
Bolts out of torque specification	Adjust bolts to specification.
Gaskets damaged	Inspect for damage. Install new as necessary.
Porosity/cross leaks/ball plug missing or leaking, or passage blockage	Install a new pump assembly.
Pump support seal rings, No. 3 or No. 4 (Forward), or No. 6 or No. 7 (Reverse), damaged	Inspect for damage. Repair as necessary.
Pump gear/pocket damaged	Inspect for damage. Repair as necessary.
Separator plate damaged	Inspect for damage. Repair as necessary.
Fluid Filter and Seal Assembly
Filter/seal damaged, plugged	Install new filter and seal assembly.
Recirculating seal damaged or out of position	Install new recirculating seal.
Main Controls
Bolts out of torque specification	Adjust bolts to specification.
Gaskets damaged	Inspect for damage. Install new as necessary.
Manual valve, main regulator valve, low/reverse modulator valve stuck, damaged or misassembled	Inspect for damage. Install new as necessary.
Separator plates damaged	Inspect for damage. Install new as necessary.
Pressure tap plate/gasket leaks, damaged, misassembled	Inspect for damage. Install new as necessary.
Low/Reverse Clutch Assembly (Reverse Only)
	Carry out Air Pressure Test.
Piston or seals damaged	Inspect for damage. Repair as necessary.
Friction elements damaged, worn	Inspect for damage. Repair as necessary.
Return spring damaged	Inspect for damage. Repair as necessary.
Piston bore damaged	Inspect for damage. Repair as necessary.
Excessive clutch pack end clearance	Inspect for damage. Repair as necessary.
Reverse Clutch Assembly (Reverse Only)
	Carry out Air Pressure Test.
Seals or piston damaged	Inspect for damage. Repair as necessary.
Check ball damaged	Inspect for damage. Repair as necessary.
Friction elements damaged, worn	Inspect for damage. Repair as necessary.
Return spring worn, damaged	Inspect for damage. Repair as necessary.
Piston bore damaged	Inspect for damage. Repair as necessary.
Excessive clutch pack end clearance	Inspect for damage. Repair as necessary.
Forward Clutch Assembly (Forward Only)
	Carry out Air Pressure Test.
Seals or piston damaged	Inspect for damage. Repair as necessary.
Ball check damaged, missing or not seating correctly	Inspect for damage, correct seating or missing. Install new cylinder as necessary.
Friction elements damaged, worn or excessive end clearance	Inspect for damage and end clearance. Repair as necessary.
Forward/Coast/Direct Clutch Cylinder Assembly
Reverse seal ring damaged or missing	Inspect for damage. Repair as necessary.
Cylinder damaged or leaking	Inspect for damage. Repair as necessary.