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Originally Posted by mcamp
I have a 96 Grand Voyager 3.3L engine. Had the tranny recently rebuilt - last work done by a reputable independent mechanic. Noticed quite recently that I no longer had heat coming out the van and noticed for the first time in a long time the radiator fans coming on. Seemed a bit odd since it's 24 degrees out there. Neither the driver's side or passenger side or rear has hot air so I ruled out a had heater core or cores. I can hear the doors flipping and I just replaced the thermostat today. Still no heat. I did pop off the radiator cap when it was cold and couldn't see any fluid. I think there is leak and the water pump is the likely culprit since there was also a small puddle of fluid under that side of the engine. I poured more anti-freeze (50/50) in the the resevior but wonder if it is OK to put it directly into the radiator. How much work is involved in a water pump replacement? Should I take it to the mechanic - I don't have a garage and working on this rig in 20 degree weather is slightly unappealing! After running a few minutes the fans come on and the upper hose is getting warm but the lower hose still feels cool? Thanks in advance!
Martin
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The fans are coming because you have no coolant and the engine is getting hot . The leak may be as simple as a hose connection that the tranny guys did not put back on right or use new clamps on . Fill the radiator to the top with 50/50 then fill the overflow bottle midway between the min and max markings on the bottle and then keep an eye on it , maybe they never properly filled it after the tranny work . .Low coolant is also why you have no heat .