Help needed, TD42 running hot on highway..

[ashmccormick]

Hi guys,

**Please note this is not a problem with the car 'overheating' past OEM specs, its the car running just below the first H line at highway speeds under load and I have just changed drive belts, new 3 core radiator, full flush/fresh coolant, new radiator cap, 1 yr old water pump, new viscous fan, new hoses, new thermostat (76*), New oils/filters, Burped the system of air, just adjusted the tappets...**

It's mid to high 40's out here in the Kimberley atm and my car has been running very hot on the highway over the weekend I never drove above 90 kph frequently backing off to 80 ish whenever the needle started to creep towards the first H line.

The engine feels as though it may be over fuelled as it smokes a little under load and can hear the fuel flow more when you put your foot down even though it has no effect on the revs.

The car has always seemed to run a little hot on the highway and now the ambient temps are through the roof its just getting worse. Once off the highway around town etc it runs very cool (around 1/4 - 1/3 factory gauge). So my main question is could an over fuelled IP be causing the engine to run hot under load? I have changed every aspect of the cooling system trying to cool it down! Or is it simply just normal TD42 life in very high ambient temperatures?

I am driving from Kimberley down WA and across the Nullabor in a few weeks and don't want to be sitting at 80 kph watching my temp gauge the whole time if it can be helped.

Cheers

[jff45]

Why not get a real temp gauge so you know what your engine is really doing.
A good temp gauge will even indicate how well your thermostat is reacting.

You could also add an EGT gauge if you want to keep an eye on your fuelling.

[ashmccormick]

Why not get a real temp gauge so you know what your engine is really doing.
A good temp gauge will even indicate how well your thermostat is reacting.

You could also add an EGT gauge if you want to keep an eye on your fuelling.

Hi John,

I have an in hose temp guage and an engine watchdog bolted to engine. In hose gauge needs a new thermal transmitter I think because it sits around 60-70. However they all creep up at the same rate as the factory gauge moves so I'm pretty sure the factory reading is on point.

I thought EGT readings were something turbo'd engines used, might be worth looking into!

[jff45]

I missed the N/A

[AB]

What condition is your air filter in?

[ashmccormick]

What condition is your air filter in?

Brand new, just serviced the car so new filters, oil, fuel filter etc.

[ashmccormick]

I missed the N/A

All good, I would like to turbo it in the near future anyway!

[Sir Roofy]

What condition is your air filter in?

x2 have you got a snockel it will allow more cooler air to go in the air box instead of heat of the road

[ashmccormick]

x2 have you got a snockel it will allow more cooler air to go in the air box instead of heat of the road

Yeh Roofy got a snorkel on it hoping it would ease the temps a little...

[Sir Roofy]

Yeh Roofy got a snorkel on it hoping it would ease the temps a little...

the other thing could be to heavy engine oil ask the locals what there running