1994 GMC Safari Owner's Manual - Page 260

Air Conditioning Every now and then have your dealership check your air conditioning system to be sure it has not lost any cooling ability. If you think thesystem is not working properly, have your dealership check it out as soon as possible. The air conditioning will not work when temperature is below 40°F the (4 C). O Lubrication Accelerator Control System Refer to the Maintenance Schedule to determine how often theaccelerator linkage pivot points must be lubricated and what of lubricant to use. type Accelerator cables and cruise control cables should not be lubricated. Any cables that are worn or arehard to pull should be replaced. When cleaning theengine compartment with water or steam, avoid directing the flow ontothe throttle linkage in a manner that would cause moisture to enter the cables. Hood Latches and Hood Hinge Refer to the Maintenance Schedule to determine how to lubricate the hood latch and hood hinge assembly. Sliding Door Tracks Your vehicle's slidingdoor has three tracks which need lubrication. For the upper andlower tracks, open the door, wipe track clean and then the lubricate with Lubriplate White Grease. For the outside middle track, close the door after you finish the upper and lower tracks. Then, wipe the track clean and lubricate with Lubriplate White Grease. TM Body Normal use of your vehicle willcause metal to metal wear atsome points on the cab and body if they are not lubricated. For exposed surfaces, such as doorchecks, door lock bolts, lockstriker plates, dovetail bumper wedges, etc., a thin film of engine oil should be applied. Where oil holes are provided in the body or cab, a dripless oil can be used. The seat adjusters and seat track should lubricated with chassis grease. be 6-42