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I have 99 Jaguar XJ8,and while I was driving, the lower radiator hose just popped out from its socket, even though the clamp holding it was fully tight, and all of the coolant spilled out. I have also had to change the upper radiator hose a couple months back because it busted do to overheating. Also the fuse to the radiator fan also went out recently..so I had to change that too.

2007-12-27 09:14:47 · 13 answers · asked by Vince 1 in Cars & Transportation Maintenance & Repairs

13 answers

usually when a car overheats, for whatever reason, the thermostat sticks closed, or almost closed. If your fan stopped cooling, that would cause the car to get hot enough to ruin the thermostat. one easy way to tell is to let the car get cold. Remove the radiator cap (slowly to be safe), make sure the radiator is full of coolant/water, then start the car. in about 10-15 minutes tops, if the thermostat is bad, the water will start backing up and boiling out of the radiator. If it does, shut it down and get it replaced.

2007-12-27 09:20:12 · answer #1 · answered by randy 7 · 1 0

it sounds to me like you have an air bubble moving through the block. when the air bubble comes in contact with the sensor it will read higher than if water was contacting the sensor. just because your gauge goes up, doesn't necessarily mean the coolant is too hot. you need to make sure your radiator is full. if the level in your radiator gets too low it won't be able to suck fluid from the overflow reservoir. as the water in the system expands and contracts(the way it adds and removes coolant from the reservoir) it will just compress the air in the system rather than pushing and pulling excess fluid to and from the reservoir and just adding water to the reservoir isn't good enough. Also, you should be adding a 50/50 mix of coolant and water to your system. if you add water every time your level gets too low you'll end up diluting the solution too far and you won't have proper boil over or freeze protection.

2016-05-27 08:22:00 · answer #2 · answered by ? 3 · 0 0

Check the thermostat and bleed the system.

2007-12-27 09:18:03 · answer #3 · answered by karamba_power 2 · 1 0

overheated .not good try thermostat and get air out of system.....do you have oil in coolant or coolant in oil??

more info needed

2007-12-27 09:19:56 · answer #4 · answered by 2A 7 · 0 0

Take it to the shop.. My friend had this problem and only made it worse by trying to fix it on his own

2007-12-27 09:23:01 · answer #5 · answered by Ashley A 2 · 0 0

get the thermostat checked...mine was doing that so i took the thermostat out and it fixed it. i didn't have enough money for a new one so i just took it out. you'll prolly just wanna get a new one.

2007-12-27 09:18:12 · answer #6 · answered by Felix Arcanus 5 · 1 0

Sounds like your thermostat is stuck or opening slowly.change that and see.

2007-12-27 09:19:29 · answer #7 · answered by nighttime_ran 4 · 0 0

just take it to a mechanic. trying to fix it yourself could end up costing you more in the long run

2007-12-27 09:18:01 · answer #8 · answered by mlvue 4 · 0 1

i have no idea for sure but...

1. could be clogged inside the motor.
2. too much fluid.
3. wrong parts.

2007-12-27 09:18:12 · answer #9 · answered by MistyCreek 5 · 0 1

radiator cap or thermostat.

2007-12-27 09:17:07 · answer #10 · answered by gubwv 3 · 2 0

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