'99 VDP Thermostat Housing
#1
'99 VDP Thermostat Housing
Hi everyone, although my '99 VDP ,with 74K miles, is running just fine currently, after reading the many posts on this forum, I'm taking the preventative action and preparing to replace the timing chain tensioners on my X308 motor, and while it's apart I intend to replace the water pump, which I understand has a plastic impeller. I also thought about replacing the plastic thermostat housing with the aluminium type, however the readily available ones on Amazon and other sites are either the URO at around $55, and the APA at over $90, neither of which have great reviews. Does anyone have a good quality metal alternative they could recommend. The current housing does not leak.
I thank you in advance for any suggestions here.
Clive
I thank you in advance for any suggestions here.
Clive
#2
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cliveb (01-31-2018)
#3
I installed the SNG Barratt (https://www.ebay.com/itm/Jaguar-XJ8-...item3addaf0f30) and have had no problems.
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#4
Last edited by King Charles; 01-31-2018 at 02:29 PM.
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#5
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#6
From my observations, there are 2 qualities out there, hard to determine which is which though.
Seems the one from the big UK suppliers is good, the other one seems to show up with leaking problems sometimes.
I bought mine from the UK, including a new thermostat (!), no problems.
BTW. if you paint it black before install, it stands out much less in the engine bay.
Seems the one from the big UK suppliers is good, the other one seems to show up with leaking problems sometimes.
I bought mine from the UK, including a new thermostat (!), no problems.
BTW. if you paint it black before install, it stands out much less in the engine bay.
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#7
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#11
Hi everyone, although my '99 VDP ,with 74K miles, is running just fine currently, after reading the many posts on this forum, I'm taking the preventative action and preparing to replace the timing chain tensioners on my X308 motor, and while it's apart I intend to replace the water pump, which I understand has a plastic impeller. I also thought about replacing the plastic thermostat housing with the aluminium type, however the readily available ones on Amazon and other sites are either the URO at around $55, and the APA at over $90, neither of which have great reviews. Does anyone have a good quality metal alternative they could recommend. The current housing does not leak.
I thank you in advance for any suggestions here.
Clive
I thank you in advance for any suggestions here.
Clive
https://www.ebay.de/p/Jaguar-Vanden-....c100005.m1851
Last edited by toaster; 02-01-2018 at 06:16 AM.
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cliveb (02-01-2018)
#12
I took a look at the Airtex AW4124 water pump on Ebay, the price is nice, but it looks like it has a plastic impellor. Can anyone confirm that?
https://www.ebay.com/itm/New-Airtex-...NaYXfl&vxp=mtr
https://www.ebay.com/itm/New-Airtex-...NaYXfl&vxp=mtr
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cliveb (02-01-2018)
#14
I took a look at the Airtex AW4124 water pump on Ebay, the price is nice, but it looks like it has a plastic impellor. Can anyone confirm that?
https://www.ebay.com/itm/New-Airtex-...NaYXfl&vxp=mtr
https://www.ebay.com/itm/New-Airtex-...NaYXfl&vxp=mtr
#15
By now, 20 year later, my concern should not be the 'plastic' or steel discussion (plastics technology came a long long way), but the design of the vanes.
I have read on various forums that the design of some steel vanes induce cavitation (bubbles due to vacuum, on the backside of the vanes).
If so, it will deteriorate your steel vanes much quicker than 2018-plastics will due to age.
I do have to add that I only have this info from forums (which is the usual "hear-say"), but I know what cavitation is from my naval engineering background.
It is something you don't want inside your system.
PS. I think the Airtex is still "plastic", just a different color and different material than the problematic 90-tish version.
I have read on various forums that the design of some steel vanes induce cavitation (bubbles due to vacuum, on the backside of the vanes).
If so, it will deteriorate your steel vanes much quicker than 2018-plastics will due to age.
I do have to add that I only have this info from forums (which is the usual "hear-say"), but I know what cavitation is from my naval engineering background.
It is something you don't want inside your system.
PS. I think the Airtex is still "plastic", just a different color and different material than the problematic 90-tish version.
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#17
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#18
If you're going to run the gambit & do all the hoses, this caught my eye.
https://www.ebay.com/itm/Jag-4-0L-NA...s/192279510256
https://www.ebay.com/itm/Jag-4-0L-NA...s/192279510256
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