1994 Oldsmobile Achieva Owner's Manual - Page 226

Maintenance Schedule Explanation of Scheduled Maintenance Services Following are explanationsof the services listed in Schedule I and Schedule 11. The proper fluids and lubricants to use are listed in Section D. Make sure whoever services your vehicle uses these. All parts should be replaced and all necessary repairs done before you or anyone else drives the vehicle. ITEM SERVICE NO. 1 . Engine Oil and Filter Change': - 2. Chassis Lubrication - Lubricate 5. Cooling System Service': Drain, - Always use SH or SG Energy Conserving I1 oils of proper viscosity. The "SH" or "SG" designation may be shown alone or in combination with others, suchas "SH/CD," "SH, SG, CD," "SG/CD," etc. To determine the preferred viscosity for your vehicle's engine (e.g., SAE 5W30 or SAE 10W-30), see Engine Oil in the Index. suspension and steering linkage. Lubricate the transaxle shift linkage. 3. Tire and Wheel Rotation and Inspection - For proper wear and maximum tire life, rotate your tires following the instructions in this manual. See Tires, Inspection G Rotation in the Index. Check the tires for uneven wear or damage. If you see irregular or premature wear, check the wheel alignment. Check €or damaged wheels also. 4. Engine Accessory Drive Belt Inspection - Inspect the belt(s)for cracks, fraying, wear and proper tension. Replace as needed. (Belts can have many small cracks in individual ribs without affecting performance.) flush and refill the system with new or approved recycled coolant conforming to GM Specification 1825M. Keep coolant at theproper mixture as specified. See Coolant in the Index. This provides proper freeze and boil protection, corrosion inhibitor level and maintains proper engine operating temperature. Inspect hoses and replace if they are cracked, swollen or deteriorated. Clean the outside of the surge tank and air conditioning condenser. To help ensure proper operation, we recommend a pressure test of both the cooling system and the surge tank pressure cap. 224