User manual GMC YUKON 1993

[. . . ] 6 9 3 INTRODUCTION I993 Yukon and Suburban Owner's Manual Welcome Thismanualwaspreparedtoacquaintyouwiththeoperationand maintenance of your 1993 GMCTruckvehicle, and to provideimportantsafety information. There is alsoaGMCTruckWarrantyandOwnerAssistance Informationbooklet. In somevehicles, therecanbeinformationmanualsfrom or specialequipmentcompanies. We othermanufacturerslikebodybuilders urgeyou to reviewallthesepublicationscarefully. Thiswillhelpyouenjoy safe and trouble-free operation of your vehicle. When it comes to service, keepinmindthatyourGMCTruckdealerknows yourvehiclebestandisinterested in yourcompletesatisfaction. [. . . ] Follow the manufacturer'srecommendationforattachingsafetychains. Alwaysleavejust enoughslack so you can turn with yourrig. And, neverallowsafetychains drag on theground. to Traikw Brakes If yourtrailerweighsmorethan 1, 000 pounds (450 kg)loaded, then it needs its own brakes-andtheymustbeadequate. Be sure to readandfollowthe so you'll be able to install, adjust and instructions for the trailer brakes maintainthemproperly. Don'ttapintoyourvehicle'sbrakesystem if thetrailer'sbrakesystemwilluse morethan 0. 02 cubic inch (0. 3 cc)of fluid fromyourvehiclesmastercylinder. If it does, both braking systemswon'tworkwell. You couldevenloseyour brakes. 0 8 Will thetrailerbrake parts take 3, 000 psi (20 650 kPa)ofpressure?If not, thetrailerbrakesystemmustnotbe used withyourvehicle. If everythingchecksoutthis far, thenmakethebrake fluid tapatthe port onthemastercylinderthatsendsfluidtotherearbrakes. Butdon't use coppertubingforthis. If you do, it will bend andfinallybreak off. Usesteelbraketubing. Dr!whcJ with a Traik?s. Towing a trailerrequiresacertainamount of experience. Beforesettingout fortheopenroad, you'llwant to get to knowyourrig. Acquaintyourselfwith thefeel of handlingandbrakingwith the addedweight of thetrailer. And alwayskeep in mind thatthevehicle you aredriving is nowagooddeal longerandnotnearly so responsive as yourvehicle is byitself. Before you start, checkthetrailer hitch andplatform, safetychains, electrical If thetrailerhaselectricbrakes, connector, lights, tiresandmirroradjustment. startyourvehicle and trailermovingandthenapplythetrailerbrakecontroller by hand to be surethebrakes are working. Thisletsyoucheckyour electricalconnectionatthesametime. 4-60 8 Have the exhaustsysteminspectedforleaksandmake necessaryrepairs before starting on yourtrip. Keeptherear-mostwindowsclosed. If exhaustdoescome into yourvehiclethrough a window in the rearoranotheropening, drivewithyourfront, mainheatingor coolingsystem on and withthe fan onanyspeed. Thiswill bring fresh, outsideair into yourvehicle. Do notuse WEClR because it onlyrecirculatestheairinsideyourvehicle. See "ComfortControls" in the Index. Q 8 Duringyour trip, checkoccasionally to be surethatthe load is secure, and that thelights and any trailer brakes are still working. F'/kwvhg Distance Stayat least twice as far behind thevehicleaheadasyouwouldwhen drivingyourvehiclewithoutatrailer. This can helpyouavoidsituationsthat requireheavy braking and suddenturns. Passing You'llneedmore passing distanceupaheadwhenyou'retowingatrailer. And, becauseyou'rea good deallonger, you'll need to go much farther beyond the passed vehiclebeforeyou can return to yourlane. ackhg up Hold thebottom of thesteeringwheelwithone hand, Then, to movethe trailerleft, just moveyour hand to the left. To movethetrailer to the right, moveyour hand to theright. Alwaysbackupslowlyand, if possible, have someoneguideyou. Making Turns Do this so Whenyou're turning withatrailer, makewiderturnsthannormal. yourtrailerwheelswon'tstrikesoftshoulders, curbs, roadsigns, trees, or otherobjects. Avoidjerky or suddenmaneuvers. Signalwell in advance. 4-6 1 Turn Signals When Towing a Trailer Whenyoutow atrailer, yourvehiclehas to haveadifferentturnsignal flasher and extra wiring. The green arrows on your instrument panel will flash wheneveryousignalaturnorlanechange. Properlyhookedup, thetrailer lightswillalsoflash, tellingotherdriversyou'reabout to turn, changelanes, or stop. Whentowing a trailer, thegreenarrowsonyourinstrumentpanelwillflashfor turnseven if thebulbsonthetrailerareburnedout. Thus, youmaythink It's importantto drivers behind you are seeing your signal when they are not. checkoccasionallytobesurethetrailerbulbsarestillworking. DrMng on Grades Reducespeedandshiftto a lowergear before youstartdown alongor to useyourbrakes steepdowngrade. If youdon'tshiftdown, youmighthave somuchthattheywouldgethotandnolongerworkwell. On alonguphillgrade, shiftdownandreduceyourspeedto 45 mph (90 kmk) orlesstoreducethepossibility of engineandtransmissionoverheating. If youhaveanautomatictransmission, youshoulduse D (or, as youneed to, alowergear)whentowingatrailer. Operatingyourvehicle in D whentowing a trailer will minimizeheatbuildupandextendthelife of yourtransmission. Or, if you haveamanualtransmissionwithfifthgearandyouaretowinga gear, justdriveinfourthgear (or, asyou trailer, it's better not to use fifth needto, alowergear). Parking on H i m You reallyshouldnotparkyourrigonahill. [. . . ] 6-55 Aluminum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-68 Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-55 Used Replacement . . . . . . . . . . . . . . . . . . . 6-56 Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ]