1997 Chevrolet Blazer Owner's Manual - Page 362

90,000 Miles (150 000 km) 0Change engine oil and filter (or every 12 months, whichever occurs first). An Elnission Control Service. 0Replace fuel filter. AIZ Emission Control Service. (See footnote?.) Replace air cleaner filter. AFZ Emissiorz Control Service. 0Lubricate chassis components (or every 12 months, whichever occurs first). (See footnote #.) 17 Check rearlfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. (See footnote **.) [7 For Two-Wheel-Drive vehicles only: Clean and repack the front wheel bearings (or at each brake relining, whichever occurs first). Cl Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) 7-43