1993 Chevrolet Suburban Owner's Manual - Page 283
1993 Chevrolet Suburban Manual
Page 283 highlights
Service & Appearance Care To gettherightreading,thefluidmustbeatnormaloperatingtemperature, which is 180°F to 200°F (82°C to 93°C). To check thetransmissionfluidhot: Getthevehiclewarmedupbydriving about 15 miles (24 km)when outsidetemperaturesareabove 50°F (10°C). If it'scolderthan 50°F (lO°C), drivethevehiclein 0 (3rdgear)untiltheengine temperaturegagemovesandthenremainssteadyfortenminutes.Then followthe hot checkprocedures. To checktransmissionfluid cold: A coldcheckismadeafterthevehicle off andisusedonly hasbeensittingforeighthoursormorewiththeengine five minutes if outside asareference.Lettheenginerunatidlefor temperatures are 50°F (IO'C) or more.If it's colderthan 50°F (1O'C), you mayhave to idletheenginelonger. A hotcheckmust follow whenfluidis added duringacoldcheck. To check the fluidhot or cold: Parkyourvehicleon a levelplace. Place theshiftleverin P (Park)withtheparkingbrakeapplied. Withyourfootonthebrakepedal,movetheshiftleverthrougheach in eachrange.Then, gearrange,pausingforaboutthreeseconds P (Park). positiontheshiftleverin Lettheenginerunatidlefor three minutes or more. Then, without shutting off the engine, follow 1. Flipthehandleupandthenpulloutthedipstickand these steps: wipe it witha cleanraaor DaDer towel. PO229 2. Push it back in all the way, waitthreeseconds and then pull it backout again. 6-1 8