It sure doesn't sound right coming on at 60 mph. Like I said, coming on
when cold could simply be that the switch set the night before from rising
ambient temperatures after you shut your truck off. I can understand
stop-and-go driving when the engine compartment gets really warm and there
isn't enough airflow but other times it shouldn't. Yes, if the fan comes
on you lose HP, well, you don't lose HP, the fan gets it instead of your
wheels.
HTH,
Ron
00 SLT QC 4X2 5.9 46RE 3.92 LSD
For modifications see my DML Profile
-----Original Message-----
From: owner-dakota-truck@buffnet.net
[mailto:owner-dakota-truck@buffnet.net]On Behalf Of jay & dana
Sent: Wednesday, September 06, 2000 3:21 PM
To: dakota-truck@buffnet.net
Subject: Re: DML: Fan Clutch Problems
Hi Ron
When I purchased my 97 Dak 318, I complained to the dealer about starting my
truck up first thing in the morning. The mechanic said ya the fan sounds
like a jet engine for a few miles when cold, then it should stop.
But when fully up to normal operating temperature (when the noise should
stop), I can still hear it coming on and off once in a while, especially
when shifting up or down (5 speed).
Even when cruising at 60 to 70 miles per hour the odd time you can hear it
make noise on and off, is this normal? The DC mechanic says that it is.
But it doesn't seem right to me. The extra "noise" means a drain on
horsepower doesn't it?
Thanx
Jay Friedrich
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