1995 GMC Sonoma Owner's Manual - Page 323

100,000 Miles (1 66 000 km) 0 Replace spark plugs (2.2L Code 4 engine only). An E r ~ ~ i s sControl io~~ Service. 0 Change automatic transmission fluid and filter if the vehicle is mainly driven under one or more of these conditions: - I n heavy city traffic where the outside temperature regularly reaches 90°F (32°C) or higher. In hilly or mountainous terrain. When doing frequent trailer towing. Uses such as found in taxi, police or delivery service. y ~~ - - I f ?.ol.t do rwt L L S ~your llehicle under m do ancl*filter riot require c.l~clrqing. of tlwsc cwditiom, the,/Iltid Manual transmission fluid doesn't require change. DATE ACTUAL MILEAGE SERVICED BY: Part B: Owner Checks and Services Listed below are owner checksand services which should be performed at the intervals specified to help ensure the safety, dependability and emission control performance of your vehicle. Be sure any necessary repairs are completed at once. Whenever any fluids or lubricants are added to your vehicle, make sure they are the proper ones, as shown in Part D. At Each Fuel Fill Engine Oil Level Check the engine oil level and add the proper oil if necessary. See "Engine Oil" in the Index for further details. 7-35