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Bug Thermostat

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funbug Seriously Crusin Dubber

135 posts · joined May 2006 ·

#782654
How does one make sure that the thermostat works correctly? I know you can pour hot water onto it, but by how much does it need to expand and at what temperature? I have one and don't want to go through the trouble of fitting it to only find out it doesn't work and possibly fry an engine.

bajachris88 The international telephone dialing code for Antarctica is 6

6,661 posts · joined Apr 2005 ·

#782656
we talking new bug i assume?

the thermostats on the aircooled bugs in the fan shroud are very rare and were taken out on Aust bugs on the first scheduled service (or something like that as the story goes) as they were deamed unnecessary due to aust climate conditions, as opposed to UK and some US climates.
(ô_!_/ô) (ô_!_/ô)
69' baja: kombi box, thing spindles, irs, disc front, type 3 rear drums, 2 inch lift kit, 31x10 rears. 👍
New engine in process: 94mm p&bs, 74mm C/w chomol Crank, 35.5x39 SP heads, turbo. Wierd combo, hopeful torque monsta!

funbug Seriously Crusin Dubber

135 posts · joined May 2006 ·

#782659
bajachris88 wrote:we talking new bug i assume?

the thermostats on the aircooled bugs in the fan shroud are very rare and were taken out on Aust bugs on the first scheduled service (or something like that as the story goes) as they were deamed unnecessary due to aust climate conditions, as opposed to UK and some US climates.
I managed to source one for my air-cooled bug after a long wait. Just want to mke sure it works before I install it. They help with getting the temperature up when its cold thereby decreasing wear.

bajachris88 The international telephone dialing code for Antarctica is 6

6,661 posts · joined Apr 2005 ·

#782667
Understood. It would be getting a bit nippy out ur way nower days... my brother went out past ur way to Blood Wood creek for work last week and he said it was freezing.

I will check my old manual and see if it says anything. what yr bug is it?
(ô_!_/ô) (ô_!_/ô)
69' baja: kombi box, thing spindles, irs, disc front, type 3 rear drums, 2 inch lift kit, 31x10 rears. 👍
New engine in process: 94mm p&bs, 74mm C/w chomol Crank, 35.5x39 SP heads, turbo. Wierd combo, hopeful torque monsta!

funbug Seriously Crusin Dubber

135 posts · joined May 2006 ·

#782669
bajachris88 wrote:Understood. It would be getting a bit nippy out ur way nower days... my brother went out past ur way to Blood Wood creek for work last week and he said it was freezing.

I will check my old manual and see if it says anything. what yr bug is it?
It is a 1975 Super.

ian.mezz I never said, I could write or spell

3,913 posts · joined Sep 2004 ·

#782675
http://www.vw-resource.com/vanes_thermostat.html
funbug wrote:
bajachris88 wrote:Understood. It would be getting a bit nippy out ur way nower days... my brother went out past ur way to Blood Wood creek for work last week and he said it was freezing.

I will check my old manual and see if it says anything. what yr bug is it?
It is a 1975 Super.
😂🤪😂🤪😂
car forums. where a lot of peoples good intentions end up taking a good old car off the road forever never ever to see the road again. 🥲

Joel Now containing 100\% E-Wang

9,368 posts · joined Feb 2006 ·

#782697
You can test them with a hair drier BUT make sure its in its mounting bracket

if its not they can over expand and they're ruined.

a good one will be tightly compressed like this




and when hot expand like so



if at ambient temp it looks like this (expanded) then its dead

They're fail safe and expand when they puncture so it holds the flaps open amd doesnt cook the engine