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I got inspection for my jag yesterday and mechanic said that Upper and lower hose had different temperature which was upper very hot, lower not. and then he said I had to replace the water pump which is worth 300$$$ and labor fee could be 300$!!! hm...
But I am not sure if water pump is wrong or not cause every my friends say it could be problem of thermostat which controls temperature and is barely 10$$ lol.
so if there is somebody who has had same experience before, plz let me know
I had a water pump installed in my 2003 3.0 and the cost parts and labor was $300. This was done at an independent shop. You did not say what the symptoms were, but if you need a new water pump, would suggest also replacing the upper hose assembly (Jaguar part-$190), as this has a number of parts, and during the water pump installation, this hose assembly will have to manipulated to get it out.
i did my thermostat myself, was 15 dollars. I have a STR though and the location of it was right there in front of my face looking into the engine bay.. I took it to a local shop and was quoted about 500 parts and labor....i kindly said no to that number.
Jason from MTV's "Pimp my Ride"
kblood, I would be venturing to guess that it is a thermostat problem, not a water pump problem. I say this based on the fact that if your water pump was failing, you would be having issues with the car at highway speeds. The motor would not be getting enough cooling going through the engine to keep it in a safe condition. Then you would get the check engine light, "failsafe engaged", etc. So, spend the $10 on a new thermostat and pick up a gallon of 50/50 antifreeze (make sure it is the same as what is in the car at the moment, you can't mix colors of coolant). Granted, if your hoses are fairly old, this may be a good time to do the hoses too. In that case, you will need 3 gallons of 50/50 coolant (or 2 gallons of the concentrate and then you add up to 2 gallons of distilled water to fill the rest of the system).
ify ou need more info, let me know.
Chris "Thermo" Coleman and K'Re Ann, the 03 X
Oh, AS soon as I saw your reply, I canceled my order of water pump lol..
so far, my car was good driving on high way. Actually I am living in mn which means right now it is fairly really coooold and ave temperature is around -10f so this weather colud be able to cool engine or not I think... Tomorrow I will go autozone to buy thermostat and check my car to individual mechanic who is sort of my friend lol..
But honestly my jag is 03 74000mile car so,, water pump may need to change, but before doing it, I would try cheaper one first and one by one hah thx a lot!
As an automotive engineer and enthusiast, I get frustrated with the cryptology required to search for basic auto maintenance information these days. I can understand having to pay for factory online manuals for an engine overhaul. But basic information on servicing wear items like brakes, hoses, and thermostats should be more readily available and easily accessed.
But I guess that's why we have sites like this one!
I just wanted to post a couple of photos showing the location of the thermostat in an S-Type R. I replaced the sticking thermostat last month on my car with 33k miles on it. Hopefully future newbies will find this right away if they choose to tackle the job on their own. This simple job will help you avoid the associated overheating problems and leaks from a cracked coolant reservoir that results from a stuck thermostat, as well as a hefty bill from your mechanic.
Obviously, the cooling system must be properly drained, refilled, and de-gassed during the repair to avoid damage. A pressure test may be necessary if you did experience leaks before replacing the t-stat. I hope this helps, and sorry if someone else has already posted something similar.