Mechanical System Tests

2011 Toyota Landcruiser V8-5.7L (3UR-FE)SECTION Mechanical System Tests




AB60F AUTOMATIC TRANSMISSION / TRANSAXLE: AUTOMATIC TRANSMISSION SYSTEM: MECHANICAL SYSTEM TESTS

1. STALL SPEED TEST

HINT
This test is to check the overall performance of the engine and transmission.

CAUTION:
* To ensure safety, perform this test in an open and level area that provides good traction.
* The stall speed test should always be performed with at least 2 people. One person should observe the condition of the wheels and wheel chocks while the other is performing the test.
NOTICE:
Do not perform the stall speed test for more than 5 seconds.

(a) Connect the Techstream to the DLC3.

(b) Run the vehicle until the transmission fluid temperature has reached 50 to 80°C (122 to 176°F).

(c) Allow the engine to idle with the A/C off.

(d) Chock all 4 wheels.

(e) Set the parking brake and keep the brake pedal depressed firmly with your left foot.

(f) Move the shift lever to D.

(g) Depress the accelerator pedal as much as possible with your right foot.

(h) Read the engine speed (stall speed) and release the accelerator pedal immediately.

Standard value:

2190 to 2590 rpm

Evaluation





NOTICE:
Perform the test at the normal operating ATF temperature of 50 to 80°C (122 to 176°F).

2. SHIFT TIME LAG TEST

HINT
This test is to check the condition of the direct clutch, forward clutch, 1st brake and reverse brake.

(a) Connect the Techstream to the DLC3.

(b) Run the vehicle until the transmission fluid temperature has reached 50 to 80°C (122 to 176°F).

(c) Allow the engine to idle with the A/C off.

(d) Set the parking brake and keep the brake pedal depressed firmly.

(e) Check the D position time lag.

(1) Move the shift lever to N and wait for 1 minute.

(2) Move the shift lever to D and measure the time until the shock is felt.

(3) Repeat the 2 procedures above 3 times, and calculate the average time of the 3 tests.

(f) Check the R position time lag.

(1) Move the shift lever to N and wait for 1 minute.

(2) Move the shift lever to R and measure the time until the shock is felt.

(3) Repeat the 2 procedures above 3 times, and calculate the average time of the 3 tests.

Standard value:

D position time lag is less than 1.2 seconds

R position time lag is less than 1.5 seconds

Evaluation





RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.