My boyfriend changed out the water pump (my car was overheating really bad and ended up being the waterpump) and now it wont even start and it makes a click sound when i try to start it. he thinks he did something with the piston and my dad thinks it is the timing belt. what do you think?
Sounds like a dead battery , but if the timing belt was changed ,then it could also be out of time and in a 2.5 liter chrysler that would allow the valves to contact the pistons , just hope boyfriend didnt try to turn it over while it was out of time or u could have bent valves ...srry if this doesnt help u but u need to know that that is a tricky job even for a dealer to fix and your boyfriend doesnt seem to know so he shouldnt have been working on it.., set correct ignition timing and see what happens ! or pull heads and check it out ..if they r bent already u might as well try timing it first
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A car engine waterpump rarely stops working - the bearings fail and the seals leak sometimes but they usually keep pumping to the end. In over 40 years I have known only one that lost it's impeller.
If the waterpump should stop working there would be no coolant circulation and immediate overheating...
Check all wires around the cylinder head. one may have burned or melted. also probablly a good idea to get a compression leakdown test done on the cylinders. Smoke and knocking usually ends up in cylinder damage.
this is a tough one, the waterpump on these engines is to the rear of the engine with its on belt that runs off the rear of the cam. i have seen these waterpump impellers break apart and then the coolant wont circulate and inturn iit overheats,i guess you would need to remove the pump for a good look at it. if you are having an overheating problem and the fans work then i would look at the pump. another test to see if pump is working is to start the engine and keep feeling the top and bottom hoses both should get hot after a while then you can say pump is working but if the bottom hose is warm and it runs hot then i would look at waterpump. good day.
I would replace the faulty waterpump and belt asap you could cause major engine damage by overheating it . the squealing is either caused by the belt slipping from having antifreeze on it or the water pump may have totally locked up .
try the water pump - first - make sure the radiator is really full - take the cap off cold and fill - if it looks full - start and run 8 minutes or so - then fill it up - look at ur fan belt - is it tight - tight is about how much pressure u use to make a firm hand shake with little movement - any movement over about an inch is loose - when the jeep warms up the belt can slip and not even make a noise - - new materials don't always squeal. - then be sure ur water pump is ok - they go slowing - the fins wear down - one more thing is the radiator - u don't say how many miles or what maintenance schedules you have or not so that's it for now
Water pumps are not normally what causes overheating, in fact that would be my last item to change. The only way that a water pump fill cause overheating is if the impeller has come off the shaft or completely worn down. I would first start with the thermostat. If this dosn't fix it, then I would be looking at the condition of the radiator I.E. is it plugged, are the fins up front full of bugs and debrisect. Then I would also check the cooling fan operation, does it come on when engine is hot? also does it come on with the A.C. operation-it should. Then last of all the water pump- and no its not easy on this one, due to lack of clearance.
If the water pump is bad it will be leaking antifreeze and you will see it dripping/running on the ground. Also, when water pumps go bad they will often...but not always...make a noise...sometimes a screeching sound. You did not mention it or that the water pump is leaking so I doubt if it is the problem. The thermostat can easily be the problem and if so is a very low cost item to replace...maybe less than ten bucks including the new gasket. Your boyfriend can install a new one easily. If that does not fix the problem of overheating then there can be many other ways the engine can be overheating. Look for a leak in the radiator. You did not mention it either so maybe that is not it.
Be sure to check all the other engine fluids...low oil...if none showing on the dipstick...can cause the engine to overheat. If you have not changed the oil and filter for the engine since forever then it is possible..but not probable...that sludge has accumulated to the point in the engine that it is overheating and even possibly causing the oil pump in the oil pan area to stop pumping oil as well as it should...but I actually doubt any of these. You could also have low transmission fluid that causes it to overheat and almost being ready to lock up causing the engine to work harder and overheating. There are many many possibilities...but the thermostat is the first thing I would do to fix it and then if it still is a problem start to look at the other areas.
Hello, look on the left (driver side) front of the engine, you will see at the end of the closest to you, on the cylinder head, a pulley. This pulley runs your water pump, by a belt connection. Check and see if that belt is on.
If you are adding water, you should have it pressure tested, as it could be the water pump(which takes a special tool to replace) or a bad head gasket.
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