. To prev€nt transmission damage, do not t6st stall speed for more than
ro sgconds at a time.
. Do not shift the levor while raising the engine speed.
. Bo sule lo remove the pressure gauge betoro testing stall speed.
Engage the parking brake, and block the front wheels.
Connect a tachometer to the engine, and start the engine.
Make sure the Ay'C switch is OFF.
4. After the engine has warmed up to normal operating temperature (the radiator fan
comes on). shift into E position.
Fully depress the brake pedal and accelerator for 6 to g seconds, and note engine
6. Allow two minutes for cooling, then repeat the test in @ and @ positions.
. Stall speed tests should be used for diagnostic purposes only,
. Stall speed should be the same in o., E and
Stall Spsed RPM:
Specification: 2.700 rpm
Service Limit: 2,550 - 2,850 rDm
. Low fluid level or ATF pump outDur
. Clogged ATF strainer
. Pressure regulator valve sluck closeo
. Slipping clutch
. Slippage of 4th ctutch
. Slippage of 2nd clutch
. Slippage of lst clut"tr or. t"t g""io*-*"y
Stall rpm high in D., E and E positions
Stall rpm high in El position
Stall rpm high in E posirion
Stall rpm high in E position
Stall rpm low in LDa . El and E positrons
. Engine output low
. Torque converter one-way clutch slipping
1 4 - 1 1 6