Coolant Leak
#1
Coolant Leak
So my '04 4.2 V8 has always had a little coolant leaking. Usually have to top up every other month (I don't put a lot of miles on it).
Anyway, I got a coolant light last night, and then, as my engine hit temp, the car basically spewed coolant everywhere.
From what I can see, it seems to be wet at the front of the engine and high up. I filled the reservoir with water and it didn't gush out, but it still leaked slowly. My guess is the reservoir has properly gone. Do you think this is a fair assessment?
How difficult is it to check it out?
If I need to get another one, are there any recommendations for purchase in Canada / North America?
Thanks all.
Anyway, I got a coolant light last night, and then, as my engine hit temp, the car basically spewed coolant everywhere.
From what I can see, it seems to be wet at the front of the engine and high up. I filled the reservoir with water and it didn't gush out, but it still leaked slowly. My guess is the reservoir has properly gone. Do you think this is a fair assessment?
How difficult is it to check it out?
If I need to get another one, are there any recommendations for purchase in Canada / North America?
Thanks all.
Last edited by windsorlad111; 09-28-2016 at 08:01 AM.
#2
These plastic coolant reservoirs are notoriously bad after even just a few years. The hose nozzles crack and drip, the seams crack and leak, etc. Inspect it carefully and you'll probably find that either the nozzles or the seams have cracked....
The best deals on new ones are typically from some of the online sources you can find on amazon or ebay....
The best deals on new ones are typically from some of the online sources you can find on amazon or ebay....
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#7
Correct it only comes with the hose !!
If it doesn't show its self by the time you have the under tray removed ,
Then be sure to check in the fan shroud buy pulling open the gap between the shroud and the radiator at the bottom edge ,
that's were mine went , typical aye.
If it doesn't show its self by the time you have the under tray removed ,
Then be sure to check in the fan shroud buy pulling open the gap between the shroud and the radiator at the bottom edge ,
that's were mine went , typical aye.
Last edited by Datsports; 09-30-2016 at 04:44 AM.
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#8
#9
Ok, lots of threads about coolant leaks and fractures of nipples, etc...
What I'd like to know is whether these things happen by themselves or are they the result of people working on things at the front of the engine? It seems that things up there are very, very, fragile so I'm wondering if most of the failures result from people touching things and having them fall apart.
The reason I ask is that my car 8 years old with ~65k miles so I'd like to prepare myself for this failure since it seems pretty likely that it's gonna happen.
As I said, I realize that things are very delicate and fragile up there and I specifically try to keep away from the hoses, reservoir, etc., for fear of them "crumbling" apart.
Is there anything else I should do, or simply monitor things and wait to begin smelling antifreeze? Should I begin to prepare to have all the coolant hoses and reservoir replaced? Should I have the water pump done at the same time? I'm very big on preventative maintenance (did a pretty complete service at 60k including tranny flush/fill with a new pan), so I'd like to know if this is something that I should start planning to have done?
Thanks
==================================================
Jaguar: Grace, Pace, and Space - Sir William Lyons
2015 JCNA National Slalom Champion Class M
Current: '08 Jaguar S-Type 4.2 "Satin Edition" (250.06 whp / 259.67 torque)
Past: '05 X-Type 3.0/auto Jaguar Racing Green
What I'd like to know is whether these things happen by themselves or are they the result of people working on things at the front of the engine? It seems that things up there are very, very, fragile so I'm wondering if most of the failures result from people touching things and having them fall apart.
The reason I ask is that my car 8 years old with ~65k miles so I'd like to prepare myself for this failure since it seems pretty likely that it's gonna happen.
As I said, I realize that things are very delicate and fragile up there and I specifically try to keep away from the hoses, reservoir, etc., for fear of them "crumbling" apart.
Is there anything else I should do, or simply monitor things and wait to begin smelling antifreeze? Should I begin to prepare to have all the coolant hoses and reservoir replaced? Should I have the water pump done at the same time? I'm very big on preventative maintenance (did a pretty complete service at 60k including tranny flush/fill with a new pan), so I'd like to know if this is something that I should start planning to have done?
Thanks
==================================================
Jaguar: Grace, Pace, and Space - Sir William Lyons
2015 JCNA National Slalom Champion Class M
Current: '08 Jaguar S-Type 4.2 "Satin Edition" (250.06 whp / 259.67 torque)
Past: '05 X-Type 3.0/auto Jaguar Racing Green
#10
Jaguar parts are made of notoriously weak plastic, no question about it. And if you bump it or breathe on it too hard while working under the hood, it will crack in a heartbeat. You should see the plastic components in my 1999 Dodge Ram pickup. The coolant reservoir is three times as thick as my S-Type coolant reservoir and still very pliable after 18 years under the hood. Same goes for the two nozzles on the reservoir. The plastic quality is so much better it's not even funny....
#11
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It is also a good idea, given the age of the vehicle, to change the water outlet and thermostat housing. The plastic can only withstand a finite number of cold and hot cycles before failing. The water outlet assembly includes a new thermostat and seal as well as a new coolant temperature sensor.
The JLR part number is AJ811793. Whenever ordering parts from a Jaguar agency, always provide the VIN as the part number may have been superseded.
The JLR part number is AJ811793. Whenever ordering parts from a Jaguar agency, always provide the VIN as the part number may have been superseded.
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#16
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Unless it has been done recently, I trust you are having the water outlet replaced as well since the cooling system is drained and radiator is out.
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