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I own a 2000 jeep grand cherokee it was overheating and damage the head gasket wich it was fix and after that the truck still overheating we change the radiator,fan clutch,fan relay,water pump and the truck atill overheating we put another extra fan now is not overheating but the check engine light keep coming on and the computers said is a spart plus #5 we changed that spartplus 3 times already and my truck still have the check engine light on and the truck is shaking a little when i stop we don`t know what else to do
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First I would check with a different dealership. you will be required to provide only the VIN and probably some verification that you own the car, but the dealership can make a key and program it without the car even being there. I hope this helps.
You probably messed up a rod or caused piston damage your going to need more than a head gasket usauly when you over heat a car you causing the pistonts to expand more then they need to causing scouring and exsisive piston ware by the sound of it and the year your better off replacing the whole motor or completely rebuilding the old one wich will cost more then a use motor! good luck!
first, check that your oil level is full. Though it should not cause an overheat, oil does serve as part of the cooling system... Changing the oil should not have much to do with an overheating problem unless inadvertently the radiator, a hose or the cooling fans got damaged. Carefully check everything for leaks, make sure the cooling fans come on when hot. After checking those things you will need to check the thermostat and the radiator for proper operation. If you do not have a blown head gasket one of these items are causing your problem. Before you ask...the water pump will work even when the seals are leaking or the shaft bearings are bad. If either of those two conditions exist the pump should be changed, otherwise it is not causing your problem.
Generally this condition is the result of coolant loss, or failed thermostat. If coolant goes below cylinder head level, or thermostat remains closed,heat will stop working. Do not drive with this condition as excessive heat buildup in cylinder head can and will do serious damage to heads and or head gasket. Find out where leak is and correct it. Change thermostat as it may also be damaged. Check for excessive steam from tailpipe or miss in engine, as these symptoms indicate a cylinder head problem.
bet you have a cracked head causing a miss in #5 cyl.
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