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MikeCorbitt
Samba Member
Joined: March 18, 2021
Posts: 65
Location: Corvallis, OR
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 Posted: Fri Sep 24, 2021 9:52 pm Post subject: Fan's High Speed Exceptionally Noisy |
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While traveling at interstate speeds on a recent hot day the fan's low speed kicked on a time or two as expected. Later in the afternoon as temperatures reached near 100 degrees the low speed came on and shortly thereafter the high speed kicked in. When the high speed kicked in, it sounded as if the fan was going to come through the dashboard. Is the noise telling me the fan needs replaced or is there lubrication or other maintenance that should/can be done? Thanks.
Mike
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90 Westy; 2.1 waterboxer; 4 spd; 102K miles, cold a/c |
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Corwyn 
Samba Member
Joined: December 29, 2009
Posts: 2236
Location: Olympia, Washington
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djkeev
Samba Moderator
Joined: September 30, 2007
Posts: 32574
Location: Reading Pennsylvania
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MikeCorbitt
Samba Member
Joined: March 18, 2021
Posts: 65
Location: Corvallis, OR
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| Posted: Sat Sep 25, 2021 8:08 am Post subject: Re: Fan's High Speed Exceptionally Noisy |
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Thanks for the quick and helpful feedback. I'll check my mounts to ensure they are tight because it's exceptionally noisy. If they're tight we'll live with knowing the fan is working as designed. Great older thread. Thanks for sharing. I need to learn better search techniques so as to minimize the amount of needless post-clutter when issues have been previously discussed.
Mike
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90 Westy; 2.1 waterboxer; 4 spd; 102K miles, cold a/c |
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djkeev
Samba Moderator
Joined: September 30, 2007
Posts: 32574
Location: Reading Pennsylvania
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Gnarlodious
Samba Member
Joined: September 28, 2013
Posts: 2319
Location: Adobe Jungle USA
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| Posted: Sat Sep 25, 2021 9:08 am Post subject: Re: Fan's High Speed Exceptionally Noisy |
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Mine sounds like a freakin helicopter taking off. Especially the first time of the summer its always alarming.
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Vanagon ’83 diesel AAZ w/Giles injection, 5spd 4.57R&P+TBD and a '78 diesel Rabbit |
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T3 Pilot
Samba Member
Joined: January 10, 2011
Posts: 1507
Location: Deep South of the Great White North
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goubeaux
Samba Member
Joined: August 01, 2017
Posts: 89
Location: Santa Barbara, California
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| Posted: Sat Sep 25, 2021 3:33 pm Post subject: Re: Fan's High Speed Exceptionally Noisy |
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| My fan was pretty noisy, and at times seemed to be rubbing on the fan housing. I recently had the whole assembly out to replace the radiator, and at that time replaced the fan blade ( a 3 bladed unit- I assume the stock one ) with one I got from GW. I inspected the motor, tightened it all up and added a bigger ground. It is super quiet now, even in high speed mode. |
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