I have a 89 dodge truck that is overheating, i have checked the thermosat and the water pump, clutch fan. I have flushed both the block and raditior. It only overheats when going down the road. If you pull over it will cool back down. ANY SUGGESTIONS?
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Air outlet ductCoolantInlet radiator hose from the water pumpUpper fan shroudCooling fan and clutch assemblyDrive beltRadiator outlet hose from the coolant pumpSurge tank hoseHeater hoseWater pump
DO NOT use cooling system seal tabs (or similar compounds) unless
otherwise instructed. The use of cooling system seal tabs (or similar
compounds) may restrict coolant flow through the passages of the
cooling system or the engine components. Restricted coolant flow may
cause engine overheating and/or damage to the cooling system or the
engine components/assembly. Install or connect the following:
Water pump. Install the water pump bolts. Tighten the water pump
bolts first pass to 11 ft. lbs. (15 Nm); tighten the bolts final pass
to 22 ft. lbs. (30 Nm).Water pump drive belt pulley and bolts (if applicable). Tighten
the pulley bolts first pass to 89 inch lbs. (10 Nm); tighten the bolts
final pass to 18 ft. lbs. (25 Nm).Surge tank hoseHeater hoseOutlet radiator hose to the coolant pumpDrive beltCooling fan and clutch assemblyUpper fan shroudInlet radiator hose to the water pumpAir inlet ductCoolant
What exactly is the "round plug type thing" near the firewall [passenger side]? Is it a sensor of some type? I, too, have a coolant leak here on my 2001 Durango; its tucked in rather tightly near the hood/firewall corner. My electric fan is not kicking on; vehicle overheated tonight. (4.7 liter)
did the electric fan on the radiator start up? if this dont start up, it can get the engine overheated , specily if the car run in hot weather , an when the car stay on idle . The other problem is the engine head , the head gasket can blow and you get the compresion presure in the water chanal .Try to se of the oil on engine is gray? If gray you must change head gasket.
Hoope this can help you
First you need to make sure the fans are coming on and if they are make sure they are coming on when the car is over heating because there is a fan relay by your fuses if its going bad it wont turn the fans on or it willl only turn them on sometimes..