Toyota Tundra (2015 year). Manual — part 2751
(i) Check for foaming or emulsification.
(j) Check the fluid level.
3. CHECK FLUID LEVEL
(a) Keep the vehicle horizontal.
(b) With the engine stopped, check the fluid level in the reservoir.
If necessary, add fluid.
Fluid:
ATF DEXRON II or III, or equivalent
HINT:
If the fluid is hot, check that the fluid level is within the HOT range. If the fluid is cold, check that the fluid
level is within the COLD range.
(c) Start the engine and run it at idle.
(d) Turn the steering wheel from lock to lock several times to raise the fluid temperature.
Fluid temperature:
80°C (176°F)
(e) Check for foaming or emulsification.
If foaming or emulsification is identified, bleed the power
steering system.
POWER STEERING: POWER STEERING SYSTEM (for 3UR-FE, 3U...
(f) With the engine idling, measure the fluid level in the reservoir.
(g) Stop the engine.
(h) Wait a few minutes and remeasure the fluid level in the reservoir.
Maximum fluid level rise:
5.0 mm (0.197 in.)
If the fluid level rise is more than the maximum, bleed the power steering system.
(i) Check the fluid level.
4. CHECK STEERING FLUID PRESSURE
(a) Disconnect the pressure feed tube from the vane pump
.
(b) Connect SST as shown in the illustration.
SST: 09640-10010
09641-01010
09641-01030
09641-01060
NOTICE:
(d) Start the engine and run it at idle.
(e) Turn the steering wheel from lock to lock several times to raise fluid temperature.
Fluid temperature:
80°C (176°F)
POWER STEERING: POWER STEERING SYSTEM (for 3UR-FE, 3U...
Minimum fluid pressure:
8336 kPa (85.0 kgf/cm
2
, 1209 psi)
NOTICE:
Do not keep the valve closed for more than 10 seconds.
Do not allow the fluid temperature to become too high.
If the pressure is less than the minimum, check for fluid leaks
and replace parts as necessary.
(g) With the engine idling, fully open the valve.
490 kPa (5.0 kgf/cm
2
, 71 psi) or less
NOTICE:
Do not turn the steering wheel.
If the pressure difference is above the specified range, check for fluid leaks and replace parts as necessary.
POWER STEERING: POWER STEERING SYSTEM (for 3UR-FE, 3U...
(i) With the engine idling and the valve fully open, turn the steering
wheel left or right to the full lock position. Observe the reading
on SST.
Minimum fluid pressure:
8336 kPa (85.0 kgf/cm
2
, 1209 psi)
NOTICE:
Do not keep the steering wheel in the full lock position for more
than 10 seconds.
Do not allow the fluid temperature to become too high.
If the pressure is less than the minimum, check for fluid leaks
and replace parts as necessary.
(j) Disconnect SST.
SST: 09640-10010
09641-01010
09641-01030
09641-01060
(k) Connect the pressure feed tube
.
(l) Bleed the power steering system.
POWER STEERING: POWER STEERING SYSTEM (for 3UR-FE, 3U...
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