CHECKING FLUID LEVEL
4L30-E Transmission (Rodeo, Passport, SLX & Trooper)
1. Transmission is not equipped with a dipstick. Ensure vehicle is level, with engine running at idle and parking brake applied. Fluid temperature must be less than 90°F (30°C). Move gear selector through all gear positions, ending in Park.
2. Let engine idle for 3 minutes and open OVERFILL screw on bottom of pan. Transmission is filled through OVERFILL screw. Fluid will seek correct level and excess should flow out from OVERFILL screw. See Fig. 1 .
Nov 14, 2012 at 4:08 PM