Diesel Data: Automotive Repair

Delayed Engagement After Shifting From N To D And D3, Or Excessive Shock When Shifted Into D And D3




Delayed engagement after shifting from N to D and D3, or excessive shock when shifted into D and D3

Worn or damaged engine or transmission mounts

Shift solenoid valve E defective

A/T clutch pressure control solenoid valve A defective

A/T clutch pressure control solenoid valve B defective

A/T clutch pressure control solenoid valve C defective

Shift cable broken or out of adjustment

Connection between the shift cable and transmission or body is worn

Transmission range switch out of adjustment

Input shaft (mainshaft) speed sensor defective

Output shaft (countershaft) speed sensor defective

ATF temperature sensor defective

Foreign material in separator plate orifice

Servo control valve defective

1st accumulator defective

1st check ball stuck

Lock-up shift valve defective

1st clutch defective

Notes

Check the engine and transmission mounts.

Notes

Inspect shift solenoid valve E for seizure, and the O-rings for wear and damage.

Notes

Inspect A/T clutch pressure control solenoid valves A, B, and C filter/gasket and the O-rings for wear and damage, and inspect the solenoid valves for seizure.

Notes

Check the input shaft (mainshaft) speed sensor and the output shaft (countershaft) speed sensor installation.

Notes

Check for a loose shift cable at the shift lever and the selector control lever.

Notes

Check the 1st clutch pressure A/T Pressure Test.

Notes

Inspect the clearance between the clutch end-plate and the top disc. If the clearance is out of tolerance, replace the 1st/3rd clutch.

Notes

Inspect the 1st clutch feed pipe. If the 1st clutch feed pipe is scored, replace the end cover.

Notes

Replace the secondary shaft if the bushing for the 1st clutch feed pipe is loose or damaged.

Notes

Check the transmission range switch adjustment.