Workshop Manuals Factory service & repair Rover
Rover Rover 600 Repair Manual - Volumes 1 and 2 - 2nd Edition08 · Automatic gearbox
08 · Transmission

Probable cause due to improper repair (page 3 of 3)

Make
Rover
Model
600 Rover 600 Repair Manual - Volumes 1 and 2 - 2nd Edition
Section
Fault finding
Automatic gearboxProbable cause due to improper repair · page 3 of 3

CAUTION:

  • To prevent transmission damage, do not test stall speed for more than 10 seconds at a time.
  • Do not shift the selector lever while raising the engine speed.
  • Be sure to remove the pressure gauge before testing stall speed.
  1. Apply handbrake and chock the front wheels.
  2. Connect tachometer, and start the engine.
  3. Make sure the air conditioning is switched off.
  4. After the engine has warmed up to normal operating temperature (the radiator fan comes on), select 2.
  5. Fully depress the brake pedal and accelerator for 6 to 8 seconds, and note engine speed.
  6. Allow 2 minutes for transmission to cool, then repeat same test with selector lever in D4, 1 and R.

Note:

  • Stall speed tests should be used for diagnostic purposes only.
  • Stall speed should be the same with selector lever in D4, 2, 1 and R.

Stall speed = 2350 – 2650 rev/min.

TROUBLE F1 PROBABLE CAUSE
Stall speed high in D4, 2, 1 and R positions
  • Low fluid level or oil pump output
  • Clogged ATF strainer
  • Pressure regulator valve stuck closed
  • Slipping clutch
Stall speed high in R position 4th clutch slipping
Stall speed high in 2 and D4 positions 2nd clutch slipping
Stall speed high in 1 position 1st clutch or 1st gear one way clutch slipping
Stall speed low in D4, 2, 1 and R positions
  • Engine output low
  • Torque converter one – way clutch slipping.

Parts & tools for this job For Rover 600

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