Well done.
I wound not of thought about the wiring.
Robert Greig
On Friday, 13 May 2016, 12:03, Chris <[email protected]> wrote:
Plus, the fan wasn’t kicking in when it should have so the temp just kept on
rising. Then when it did decide to work it would bring the temp back down a bit
until it decided not to work again (usually when going over a bump in the
road). When I idled the engine up to temp after fitting the new wire, the fan
came on when the needle was about a third to half of the way up the gauge,
which from the last 2 trips I did was normal running temp. By the way, it also
has a new rad, new ish heater matrix, a new water pump and new ish silicone
hosesI need to check the ignition timing with my new timing gun as I only did
it by ear. Chris G From: Jim Hearne Sent: Thursday, May 12, 2016 7:12 PMTo:
[email protected] Subject: Re: [Quantum Owners] Overheating I hope
you've fixed your problem, but....
The only earth wire from the starter is the great big black one from the engine
block/starter to the battery.
If that had a break in it i'd also expect you to have trouble with the battery
charging and the engine cutting out.
Also, the fan wouldn't normally be earthed to that point, though it is a
Quantum so it's possible somebody did.
If you have intermittent starting issues it's probably the starter wire from
the ignition switch that has the problem (Black with a Blue stripe from
memory), quite possibly it's the round push on fitting on the end if it's
original or a crimp connector if not.
The stud or tab on the starter is plated steel and rusts creating an
intermittent connection.
Also, 17 amp wire isn't really enough for the fan circuit, the fan is fused
with a 20 amp fuse.
I would use 27 to 30 amp (3mm squared) wire for the fan circuit
The fan should only be coming on in slow moving or stationary traffic, if it's
overheating while moving it's something else.
Sorry,
Jim
On 12/05/2016 16:12, Chris wrote:
My 1.6 saloon has been plagued by overheating problems for nearly a year.
The Thermostat was playing up – so I changed it. The Fan switch was
intermittent – see above. The Head gasket blew – bugger.....see above. The Fan
switch plug disintegrated – ditto. The Fan was notchy – you get the
idea.......... After all that it STILL overheated alot. Until I had a
thought........ The Earth wire from the starter has a break in it (I know
this), so that sometimes when I turn the key nothing happens and I have to pop
the bonnet and wiggle the wire a bit, then try again. The Fans Earth connects
to the same wire......Hmmm ‘If the Earth wire is dodgy between the Fan and the
Battery, that would explain alot’ I now have a New 17 amp wire running from
the Fan earth to the battery. Yesterday, for the first time in a long time, it
Didn’t overheat. In fact, the needle didn’t even get halfway up the gauge!
I’m currently touching every piece of wood in the house, hoping that I have now
Finally fixed it........ Chris G No virus found in this message.
Checked by AVG - www.avg.com
Version: 2015.0.6201 / Virus Database: 4568/12210 - Release Date: 05/11/16--
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