[x300] Are XJ8s pre-wired for block heaters?

I guess there’s no wiring as such, just a mains connection?

Interest piqued by this item as winter approaches and wondering how
easy are they to install? Assume I’d need to fab up some sort of
custome mains connector but does anybody know?

http://tinyurl.com/2wunvfc

Pete–
69 E-type OTS 99 Daimler Super V8, Long nose D-type replica
Cambridge, United Kingdom
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In reply to a message from PeterCrespin sent Wed 6 Oct 2010:

Pete,

On the 6 cylinder and V12 cars there is an aluminium housing that
goes in the lower rad hose, and the heater element screws into
that. The power cord just plugs into the heater element, they are
standard cords; at least here and any auto parts store sells extra
cords.

This V8 heater looks different, like it should go into the block in
place of a core plug. I suspect the cord is standard though, and it
would have the usual wall plug on one end.

Can you get your dealer to bring up the parts diagram to see where
it would fit on the V8 engine?–
The original message included these comments:

Interest piqued by this item as winter approaches and wondering how
easy are they to install? Assume I’d need to fab up some sort of
custome mains connector but does anybody know?


Craig 95 VDP/ 90 DS420/ 94 XJS/ 66 S Type EFI
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In reply to a message from Craig Talbot sent Wed 6 Oct 2010:

That’s what I intend to do Craig, as well as check VIN suitability.
Just thought I’d pick a few brains here and in view of our
correspondence in previous years on this topic I figured you’d have
something to contribute.

We don’t have block heaters in UK cars normally, so we don’t have
heater cords either, standard or otherwise. Will have a look round
provided I can self-install. At 183K on original Nikasil bores, the
old girl deserves a bit of cossetting. It would be a nuisance if
the supercharger needed removing, or whatever, because that lot
came off recently to replace the two small hoses in the vee as a
precautionary measure. I’m hoping it will be a plug in the side of
the block and that access will be feasible. Yeah, right…

Pete–
69 E-type OTS 99 Daimler Super V8, Long nose D-type replica
Cambridge, United Kingdom
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In reply to a message from PeterCrespin sent Wed 6 Oct 2010:

Jaguar usually seems to put the heater in the lower rad hose, so if
that’s the case it would be an easy install. You might even be able
to use the V12 parts to do it if the hose diameter is the same.
Part number is C36996 for the elbow.

North American engines always seem to have the heater put into the
block’s water jacket, that seems a better way to me. The XK engine
does that. Personally, I typically only use it when the temperature
falls below about -20C, but I also use 0W40 synthetic oil. It
certainly won’t do any harm to have a warm engine when starting.
When I had my E Type I would plug it in about 45 min before I
wanted to go and it started noticeably faster, even at temperatures
around 0 to 5C.

I took a tour of Brown’s Lane in 98, so saw the first V8 saloons
being made. The block heaters were put on right at the end of
assembly, near where the coachline and badges were put on, so it
couldn’t have been a difficult process to put them on a fully
assembled car. I saw these boxes stacked up near the assembly line
with ‘‘Made in Canada’’ on them, so asked what they were, and it was
the block heaters.–
The original message included these comments:

We don’t have block heaters in UK cars normally, so we don’t have
heater cords either, standard or otherwise. Will have a look round
provided I can self-install. At 183K on original Nikasil bores, the


Craig 95 VDP/ 90 DS420/ 94 XJS/ 66 S Type EFI
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In reply to a message from PeterCrespin sent Wed 6 Oct 2010:

I did some searching, and it is a plug on the rear left side of the
cylinder block. The heater element replaces the plug for cars with
the cold climate package.–
The original message included these comments:

precautionary measure. I’m hoping it will be a plug in the side of
the block and that access will be feasible. Yeah, right…


Craig 95 VDP/ 90 DS420/ 94 XJS/ 66 S Type EFI
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In reply to a message from Craig Talbot sent Wed 6 Oct 2010:

In the days long ago when it was cold (ie less than zero
centigrade) here I fitted a block heater to my Rover 2000
which was a little sluggish starting.

At the same time I fitted a simple battery charger
permanently in the car so that when I plugged the mains in,
maybe 30 mins before leaving, it also refreshed the battery.

So happy battery turning a warm engine and instant start !

Best wishes from Jim Butterworth
http://www.watchet.dolphins.btinternet.co.uk/

Everyone is entitled to an opinion. . . .
. . . . but I am certain mine is the right one.–
Jim Butterworth http://www.jag-lovers.org/v.htm?1262090878
Somerset, United Kingdom
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In reply to a message from PeterCrespin sent Wed 6 Oct 2010:

Peter:

I instaled one on my 01 XJR.
Thr kit for 110V was JLM 20459 and came with he heater,
gasket/oring, and 2 harnesses.
1 harness go to the heater and the other one go from this harness
to you home/garage electrical extension cord.
Obviously the reason for 2 harnesses is to make it easier on the
production line .
The same harness is used during the instal and the second harness,
diffferents depending on the type of home electrical plug is put in
the trunk (boot).
Beside draining coolant, you just remove the drain plug at the rear
of the cylinder bolck on the LH side( driver side in the US) and
screw in the heater–
luc noel
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In reply to a message from PeterCrespin sent Wed 6 Oct 2010:

Hi Peter,

While in serious danger of trying to teach granny to suck eggs,
don’t forget the 110V/240V business!

If necessary, I’m sure I can sort a suitable auto or isolation
transformer - the latter being preferable.

Cheers,
Mike.–
The original message included these comments:

We don’t have block heaters in UK cars normally, so we don’t have
heater cords either, standard or otherwise. Will have a look round


Mike Stevens, 1996 X300 4.0 Sovereign
Oxfordshire, United Kingdom
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In reply to a message from G8CUL sent Thu 7 Oct 2010:

I have an outlet in my garage that is controled by a switch in the
house near the back door. When it is really cold I plug the car in
the night before with the switch off and in the morning switch it
on about an hour (switch, shave, sh*t, shine, shower & shampoo)
before leaving. This gives enough time for the block heater to get
things warm enough for an easy start. I find that keeping the car
in the garage is sufficient enough that I need to plug it in only
during the coldest weather.

When I first bought my previous XJ40 it lived outside through the
coldest weather and always started reliably. In fact the first
week I had it I took it to Edmonton for a conference during a
record cold spell and it sat outside the whole time and started
every time.–
Grahame Loader 97 V DP
Calgary, Canada
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