Noise at startup
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Joined: Feb 2004
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Noise at startup
Does anyone else have a thumping noise at startup? I have read the post on the rush noise, but this is more like a vent closing. Sounds like it is coming from the passenger side of the truck and has done it in cold and warm weather. Truck is 01 V10 F250 SD with 38,000 miles.
FTE Leadership Emeritus
Joined: Jul 2002
Posts: 42,561
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From: Long Island USA
Is it a thump just after startup? I think it's either the heater/AC box doors closing (after vacuum comes up) or the ABS servo resetting itself.
I read about this a while back, not sure, but it sounds normal - mine does it since Day 1.
I read about this a while back, not sure, but it sounds normal - mine does it since Day 1.
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Joined: May 2004
Posts: 38
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From: West MI
My '01 F350 (108k) also does it, as does my bosses '03 SD 7.3 (40k) so it isn't a V10 specific thing.
We were also thinking it was a ac gate or maybe it could have something to do with the auto hubs? I'll ask him about the ABS servo. (He's a cert. tech)
We were also thinking it was a ac gate or maybe it could have something to do with the auto hubs? I'll ask him about the ABS servo. (He's a cert. tech)
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