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Excessive Shock When Starting Off




Excessive shock when starting off

PCM defective

Low CVTF level

Start clutch control system memory in PCM defective

Forward clutch defective

Reverse brake defective

Reverse brake piston stuck, worn, or damaged

Start clutch defective

Start clutch end-plate clearance incorrect

Start clutch feed pipe damaged or out of round

CVTF deteriorated

Valve body assembly defective

CVT driven pulley pressure control solenoid valve defective

CVT drive pulley pressure control solenoid valve defective

CVT clutch pressure control solenoid valve defective

Solenoid harness worn or damaged

Engine output low

IMA motor defective

Notes

Check the CVTF level, and check the CVTF cooler lines for leakage and loose connections. If necessary, clean the CVTF cooler lines.

Notes

Calibrate the start clutch control system Testing and Inspection.

Notes

Check the forward clutch pressure CVT Pressure Test.

Notes

Inspect the clutch piston, the clutch piston check valve, and the O-rings. Check the spring retainer for wear and damage. Inspect the clearance between the clutch end-plate and the top disc. If the clearance is out of tolerance, inspect the clutch discs and plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the clutch end-plate.

Notes

Check the reverse brake pressure CVT Pressure Test.

Notes

Inspect the reverse brake piston and the O-rings. Check the spring retainer for wear and damage. Inspect the clearance between the reverse brake end-plate and the top disc. If the clearance is out of tolerance, inspect the reverse brake discs and plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the reverse brake end-plate.