1998 Pontiac Sunfire Owner's Manual - Page 209
1998 Pontiac Sunfire Manual
Page 209 highlights
Maintenance When Trailer Towing Your vehicle will needservice more often when you're pulling a trailer.See the Maintenance Schedule for more on this. Things that are especially important in trailer operation are automatic transaxle fluid (don't overfill), engine oil, drive belt, cooling system and brake adjustment. Each of these is covered in this manual, and the Index willhelp you find them quickly. If you're trailering, it's agood idea to review these sections before you startyour trip. Check periodically to see that all hitch nuts and bolts are tight. Towing A Trailer (Except Models with 2.4L Engine and 4-Speed Automatic Transaxle) Do not tow atrailer with your vehicle if it is: a convertible model. equipped with a 2.2L (Code 4) engine. equipped with a manual transaxle or a three-speed automatic transaxle. Engine Cooling When Trailer Towing Your cooling system may temporarily overheatduring severe operating conditions. See "Engine Overheating" in the Index. 4-41