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rzepko6194
Samba Member
Joined: January 30, 2005
Posts: 829
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 Posted: Sun Sep 12, 2021 7:29 am Post subject: Thermostat operation |
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Just got my 79’ Vert back on the road after a long storage. Never noticed this before but my thermostat doesn’t open fully in normal around town driving. It’s a nearly new Wahler 80-85C model. Tested it boiling water and it opens fully at 85C. I can hold the dipstick, which is actually a Gene Berg temperature indicator and the motor doesn’t smell hot. The flap linkages work correctly without any binding and engine sheet metal is in place. Outside temperature is about 70 degrees.
Is it possible that my engine is not getting fully up to temperature in around town driving? |
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Cusser
Samba Member
Joined: October 02, 2006
Posts: 31361
Location: Hot Arizona
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| Posted: Sun Sep 12, 2021 7:40 am Post subject: Re: Thermostat operation |
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| rzepko6194 wrote: |
| Is it possible that my engine is not getting fully up to temperature in around town driving? |
Yes.
_________________
1970 VW (owned since 1972) and 1971 VW Convertible (owned since 1976), second owner of each. The '71 now has the 1835 engine, swapped from the '70. Second owner of each. 1988 Mazda B2200 truck, 1998 Frontier, 2014 Yukon, 2004 Frontier King Cab. All manual transmission except for the Yukon. http://www.thesamba.com/vw/forum/album_page.php?pic_id=335294 http://www.thesamba.com/vw/forum/album_page.php?pic_id=335297 |
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rzepko6194
Samba Member
Joined: January 30, 2005
Posts: 829
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| Posted: Sun Sep 12, 2021 7:42 am Post subject: Re: Thermostat operation |
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Thanks Cusser. Maybe I need to take a highway road trip to test a bit further.  |
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Cusser
Samba Member
Joined: October 02, 2006
Posts: 31361
Location: Hot Arizona
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| Posted: Sun Sep 12, 2021 8:07 am Post subject: Re: Thermostat operation |
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| rzepko6194 wrote: |
| Thanks Cusser. Maybe I need to take a highway road trip to test a bit further. |
In Arizona "winters" of like 70F, I find that my VWs do not warm up readily in city/local driving.
_________________
1970 VW (owned since 1972) and 1971 VW Convertible (owned since 1976), second owner of each. The '71 now has the 1835 engine, swapped from the '70. Second owner of each. 1988 Mazda B2200 truck, 1998 Frontier, 2014 Yukon, 2004 Frontier King Cab. All manual transmission except for the Yukon. http://www.thesamba.com/vw/forum/album_page.php?pic_id=335294 http://www.thesamba.com/vw/forum/album_page.php?pic_id=335297 |
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busdaddy
Samba Member
Joined: February 12, 2004
Posts: 51125
Location: Surrey B.C. Canada, but thinking of Ukraine
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rzepko6194
Samba Member
Joined: January 30, 2005
Posts: 829
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| Posted: Sun Sep 12, 2021 9:56 am Post subject: Re: Thermostat operation |
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| Interesting posts. Thanks busdaddy! |
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viiking
Samba Member
Joined: May 10, 2013
Posts: 2667
Location: Sydney Australia
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| Posted: Sun Sep 12, 2021 7:24 pm Post subject: Re: Thermostat operation |
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Just shows the naysayers why it is NECESSARY to have a fully functional thermostat system.
Your engine will last a lot longer if it is not overcooled.
_________________
1968 1500 RHD Lotus White Beetle since birth. In the hospital for major surgery
1966 Lancia Flavia Pininfarina Coupe - in the waiting room
Discharged: 1983 Vanagon, 1974 1800 Microbus,1968 Low Light,1968 Type 3 |
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MuzzcoVW
Samba Member
Joined: February 21, 2018
Posts: 1462
Location: Westfield, MA.
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| Posted: Tue Sep 14, 2021 6:39 am Post subject: Re: Thermostat operation |
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| This is a GREAT example of why the thermostat is there, and should be left in place. Too cold is as bad as too hot |
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