Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Line Pressure

LINE PRESSURE





1. Connect a tachometer to the engine and SST to line pressure inspection port of transmission case.
2. Shift the selector lever to "D" range.
3. Read the oil pressure at engine idle speed.
4. Depress the brake pedal firmly with the left and gradually depress the accelerator pedal with the right foot.
5. Read the oil pressure as soon as the engine speed becomes constant, then release the accelerator pedal.

NOTE: Steps 4 to 5 must be accomplished within 5 seconds.

6. Shift the selector lever to "N" range and run the engine at idle speed for at least one minute.





7. Read the line pressures at engine idle and stall speed for "R" range in the procedure described above.





EVALUATION OF LINE PRESSURE TEST