20 · Transmission

Lock-up with D4 selected

Automatic gearboxLock-up with D4 selected

Throttle position	Lock-up ON	Lock-up OFF
Closed throttle - slight downhill gradient mph kph	15 to 17 24 to 27	14 to 16 23 to 26
Full throttle mph kph	88 to 91 141 to 147	84 to 88 135 to 141

Throttle position	Lock-up ON	Lock-up OFF
Closed throttle - slight downhill gradient mph kph	60 to 64 97 to 103	57 to 61 92 to 98
Full throttle mph kph	82 to 86 132 to 138	78 to 81 125 to 131

Accelerate to approximately 35 mph, 57 kph then select 2 from D4; vehicle should immediately reduce speed under engine braking.

CAUTION: Do not select 2 or 1 from D4 or D3 at speeds in excess of 63 mph, 100 kph, damage to the gearbox may result.

Check for any abnormal noises or clutch slippage with selector in following positions: Select 1 Accelerate from standstill at full throttle, upshifts should not occur. Select 2 Accelerate from standstill at full throttle, upshifts or downshifts should occur. Select R Carry out a reversing manoeuvre. Accelerate from stop at full throttle, check for abnormal noise and clutch slippage. Check park - P Position vehicle on a steep gradient (12%), apply the handbrake and with engine still running, select P. Release the handbrake, vehicle should not move.
On completion of a road test, carry out a stall test.

Parts & tools for this job For 1995 Rover 400

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