Hydraulic Pressure Tests: Preparation
WARNING: This page is about a different car, the 2002 Mazda 626 and 2001 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.
Check and adjust coolant, engine oil and ATF levels. Warm engine and transaxle to operating temperature. Block front and rear wheels on both sides. Set parking brake. Connect tachometer to engine. Ensure engine idle speed and ignition timing is correct. See appropriate ON-VEHICLE ADJUSTMENTS article in ENGINE PERFORMANCE.
Connect line pressure gauge to line pressure test port. See Figure. Place line pressure gauge where it can be read from driver's seat.