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Hi all

 

 

Last week I enjoyed a 80 mile round trip in the 6.
The car ran well when the road was clear but as soon as I got into slow moving traffic the temp. rose. On the way back the gauge went into the red even though we only got caught in some slow-moving traffic at a couple of sets of lights.
The car had a new radiator fitted about 200 miles ago by a very reputable TR specialist and it has a supplementary fan that was working
Although I had the fan on continuously when in traffic it did not bring the temperature down. When running the temp returned to about normal.
The water level was fine and I only drove up to about 60 miles per hours during the run.
Any idea on some simple 'fix' that I can do to make the cooling more efficient for the time being. Could it be the thermostat not operating correctly?
Best Wishes
Ernest

 

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Are you sure the supplementary fan is 'pushing' air through the rad not sucking it and working against the flow of the stock fan? The thermostat would normally go open, and over cool when it stops working. It sounds like the system is working in terms of once you are moving, so it's just figuring out why it doesn't stationary?

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Definitely check the fan is pushing air in the correct direction. I inadvertently swapped the electrical connections on the fan on my Lotus elan.. It is amazing how pushing hot air from the engine and manifold through the radiate warms the car up quickly :-)

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If you undo the drain plug on the RHS of the engine, does it drain... or is it blocked like mine was.

If blocked or your system was not flushed out with Rad Flush before fitting that new rad or your car has lived in a hard water area the block can accumulate a lot of crud in the form of orange lime scale. Because I do I only use Halfords distilled water with 25 % anti-freeze in my system has worked for me for years!

 

Bruce,

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