From: Tim Schuh <[EMAIL PROTECTED]> Reply-To: Tim Schuh <[EMAIL PROTECTED]> To: spitfires@autox.team.net Subject: rad fan noise
I'm unsure if the fan clutch is working correctly or not. It seems to me that the fan is making an aweful lot of noise even when cold. I hear more fan than exhaust noise and this just seems unnatural to me. Is this normal or should I take a closer look at the clutch assembly?
Tim Schuh 76 Spitfire 1500
It's hard to say. The later spitfire engines got to be pretty quiet with a factory exhaust system, especially if you have a catalytic converter further muffling the sound. I guess I can hear my fan, as well as an intake snort, some valve clatter, a leak in the exhaust manifold etc. That's part of the "charm", at least to me!
If you suspect the viscous clutch, checking it is as easy as turning it by hand and making sure it moves freely. By the way, I wouldn't expect the engine temparture to have any effect on the fan noise as the fan clutch is not in any way temperature sensitive.
Best!
Greg Rowe
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