Auto electrician

[Budgie]

Hi does anyone know of a good mobile auto electrician in the chesterfield area who knows what he's doing on a c3 corvette,,cheers

 

[Daytona Vette]

In short (forgive the Pun) no, not in Chesterfield - What is the issue - can we help?

 

[Budgie]

My c3 is a restomod,has a DeWitt's radiator with twin spall electric fans,,the temp gauge read 240 f the other day,,but it wasn't boiling over?,however I didn't hear the fans kicking in,,strange,,

 

[Daytona Vette]

My c3 is a restomod,has a DeWitt's radiator with twin spall electric fans,,the temp gauge read 240 f the other day,,but it wasn't boiling over?,however I didn't hear the fans kicking in,,strange,,

Water should be boiling at 240 - if not boiling and a faulty reading could be the Water Temp Gauge with an earth issue - depending what you are running the Fans via the Temp Sender should cut in about 190 to keep the temp below the 200

 

[Budgie]

The water wasn't boiling so yeh could be the gauge,,all the gauges are auto comp with the red dials,,the temp sender is mechanical I think as the temp reading stays on for a while after ignition switched off

 

[Chuffer]

Try replacing the temperature sender in the block first . It is an easy fix to get at and they are not expensive . Even if it is not the cause of your problem you will at least have have a new sender that will last . I replaced mine after first getting my C3 due to `iffy` readings on the temp gauge rather than start pulling the facia apart or looking for electrical that may not exist . New sensor , no problems !

 

[Budgie]

Thanks will look into that,,as I said in previous posts. It was reading 240 f,,,?? At that it would have been boiling,but it wasn't

 

[Oneball]

You say it measures the temp even when off so if it’s a capillary type gauge then an auto electrician won’t help.

See if you can find the sender, either in the block or by the thermostat and post a pic.

 

[Budgie]

Yeh it must be capillary type,but other issue is I need to find out if the two spall electric radiator fans are working correctly,,,I'm no electrician,,ps I'm sure the sender is next to the thermostat,,will look in the morning

 

[Custom exotics]

Should be some form of thermostatic controller for the fans ie copper wire into 1 of the main rad pipes back to controller box normally a box with a temp adjuster knob near rad associated wiring back to battery and ign etc . Also make sure if you do replace temp sender that it's a matched item to your aftermarket gauge as not all sensors work on the same ohm range

 

[Budgie]

Thanks for that,,I've been trying to contact a auto electrician in Ripley I have used in the past when I had my xjs celebration.the guy mostly works on vintage/classic motors

 

[Chuffer]

Thanks for that,,I've been trying to contact a auto electrician in Ripley I have used in the past when I had my xjs celebration.the guy mostly works on vintage/classic motors

Oooh ! an XJS Celebration , very nice . I had an XJS 3.6 manual in stage one tune circa 280 bhp . A joy to drive and sounded awesome on the over run .

 

[Budgie]

Great cars had a few xj6 first was a 71 4.2,,wish still had it,,had a V12, 5.3 xjs too,mpg no better than the corvette,you needed a petrol tanker to follow you,lol,sold my celebration just before prices skyrocketed,,but you win some lose some

 

[Vetman]

My c3 is a restomod,has a DeWitt's radiator with twin spall electric fans,,the temp gauge read 240 f the other day,,but it wasn't boiling over?,however I didn't hear the fans kicking in,,strange,,

A pressurised cooling system will boil at a higher temperature. 15psi is worth another 45 deg F.

 

[Chuffer]

Great cars had a few xj6 first was a 71 4.2,,wish still had it,,had a V12, 5.3 xjs too,mpg no better than the corvette,you needed a petrol tanker to follow you,lol,sold my celebration just before prices skyrocketed,,but you win some lose some

The silky smooth Jaguar V12 is a work of engineering excellence in my book . I had an XKR too and as you say , the values of good condition low mileage Jags has really shot up . If only we knew !

 

[Daytona Vette]

A pressurised cooling system will boil at a higher temperature. 15psi is worth another 45 deg F.

Good point - Budgie do you have a sealed system with an expansion tank, or a non sealed system with an overflow pipe allowing for expansion loss, also check the wiring to the sender unit?
How long have you had the current Elec fans / Gauge and Temp Sender items without change?

Generally you can not drive a C3 without overheating, without a fan coming in unless at the correct constant rpm / mph so the heating and cooling via the air rush are in equilibrium

Back to the Gauge and have there been any recent changes ?

 

[Budgie]

Hi vet man,,I've only had the car two months,it's got DeWitt's rad with twin electric fans,which came with the car,with a capillary water temp gauge,,which was reading 240 f the other day but wasn't boiling over,,not been able to contact the auto electrician i use in Ripley, Derbyshire

 

[Vetman]

Good luck fixing it. I have the standard fan and shroud on my 75 350. Now has 2 core alloy rad and an oil cooler. 180 deg F thermostat. Air gaps open around the shroud and a deeper air dam. Runs at 200 deg F.
Never had overheating issues before or since the mods mentioned. Nothing useful to tell you about your system.

 

[Budgie]

Cheers,and thanks for info,,mines a restomod with zz4 350 engine,,a lot been done on it in the past only been in the UK since 2017 was in Texas before that,,sure a auto electrician can sort it

 

[teamzr1]

If the coolant is mixed with anti-freeze the boiling point will be higher

How about with key on, engine off use like a butane tank and heat block up close to sender and see if fans then come on
Could there be a master coolant fan that needs to be manually turned on or off ?
Or no power or ground to the relay for the fans ?