First, radiator was the problem. It was leaking bad. We repalced it into a new one. After fixing it, went for a test drive. Thought everything is good. Drove it to the Freeway, and noticed that the rpm is so high and it won't go to normal drive. Can someone please help me? Can anyone tell me what is wrong? I have read here in this website that I need to change the speed sensor. Is this the right solution? Thank you very much...
I had the 2002 model and I had to change the main computer because the gear box problem. after 1 month I sold it out and the new owner said same problem again(!!)...he had to change the main computer again...luckly warranty covered the repairs costs!!...I dont know what the situation right now, hope everything works fine.
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you have a leak, fill it with water and look for where the leak is coming from you may get lucky and find it is coming from a hose and hopefully not your radiator thats more expencive to replace and you will need professional help.
Depending on where the leak is, you may be able to cut the bad piece out and use rubber hose or a brake line to reconnect it. If you use rubber hose you may need to flare the lines to keep the hose from slipping off. If it is one of the ends where the line connects to the radiator or the transmission you may have to get a new line and fitting from the dealer.
SEEMS THAT U HAD A PROBLEM WITH THE RADIATOR.WATER ON IT CAN BE A BAD LINE OR IN THE WORST CASE THE HEAD BLOCK.OVERHEATING CAN DAMAGE THE HEAD SEAL AND START LEAK WATER.ALDO THE TRANS USE A COOLER SYSTEM INTEGRATE WITH THE RADIATOR.
no, I got a brand new radiator for a STS at a radiator shop for 140.00. shop around and replacing the radiator isnt too bad usually and you will save alot of money if you buy a chilton or haynes and do it yourself. Park it where children and unwanted people dont have access to your car. thats a strange place for a radiator to burst out of the blue. If you have to drive it in an emergency leave the radiator cap on to the first click or loose, but not tight. dont drive it at all if you dont have to.
Thats a lot of work to take it out if you dont need to. You will need to get a Radiator Pressure Tester or pay a repair shop to do it for you. When under pressure you will need a good flashlight and a mirror to pinpoint the leak. You can always get it warm, that will increase the pressure somewhat and then look for the leak. Radiators ususally leak at the ends where the tanks attach to the core or the tank can crack.
I had the same problem. My Chrysler LHS kept overheating. I had the thermostat changed out first and it didn't help. Then I had the water pump changed out and still did no good. Then changed out the radiator, still overheated. Come to find out the people that changed my thermostat put it in backwards. Evidently, the thermostats for these cars look different from all the others and people are not sure how to put them in. I took mine to a Chrysler dealer and they fixed it for me.
So if I understand correctly what your problem is, you had a leak with the radiator and no transmission issues at that time. Then after replacing the radiator the leak went away.... then the car's engine RPM goes high and won't drive normally just after the repair.....
I assume that the vehicle is automatic trans? With that assumption, I also assume that that design has a transmission cooler also. My educated guess and experience tells me something happened with the radiator install that could have caused your problem. You may need to look at the cooler lines going to the radiator. (the small hoses at the bottom or side of the radiator.. 3/8 inch dia for example) See if the two hoses are kinked or twisted going next to the radiator. Sometimes, transmissions can do weird things when the cooling lines are restricted. It might have a bad radiator where the cooler is blocked also (extreamly rare for a new unit but possible.)
A second idea is the the new problem happened just out of coincidence and not related to the repair at all..... In that case further investigation is needed. Hope this helped you.
1)yes steam will come out of the resevoir,especially with a bad rad'cap.
2)thermostats are cheap.
does your cooling fan come on?,it may be a bad sensor or relay (for fan)
3)no heat in car!?,the water pump may be bad.or the heater core is plugged,or if you have:a bad coolant valve for cab heat.(but this wont cause motor-over heating issues!)
4)you have a plugged radiator!
--sounds like a bad waterpump to me.
even if it doesnt leak,the impellers still come loose from the shaft!!