Checking Fluid Level: Spectrum
WARNING: This page is about a different car, the 1989 Geo Tracker, 1989 Geo Spectrum, 1989 Geo Prizm, and 1989 Geo Metro. However, it is still accessible from the selected car via links, so may be relevant.
Park vehicle on level surface with engine off. Remove speedometer cable assembly located on driver's side of case, above drive axle shaft. Ensure fluid level is between "L" and "H" marks on speedometer cable bushing. If needed, add oil to bring fluid level up to "L" mark. Install speedometer cable.