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I assume you're speaking of the older air-cooled engines. They have a bi-metallic cylinder that looks like a tiny, round accordian. It lives underneath the cylinders. When its cold, it is collapsed. In the collapsed state, it restricts the airflow from the cylinders which allows them to get as hot as they should be. When the thermostat gets hot, it expands. This change in length pushes on a lever which allows more airflow around the cylinders, keeping them from getting too hot. Many thermostats have been removed from these, especially on dune buggies. The idea being that the engine can't be too cool. The error in this thinking is the warm up time is increased and a cold engine wears more than an engine at optimum running temp.
What else can I help you with?
Does a 1960 VW Beetle have a thermostat?
No. Old vw beetles are aircooled.
Where is the thermostat on a 2003 vw beetle?
Check at the end of lower radiator hose.
Will you lose all coolant when changing thermostat on 2000 VW beetle?
some
Where is the thermostat located on a 2003 VW Beetle?
Follow top radiator hose to the engine & you will find it
What could be the reason for the engine not warming up on a VW Beetle?
It could be that the thermostat is stuck open.
Where is thermostat on 2003 1.9 diesel vw beetle?
Just did this last week, follow the BOTTOM hose!
99 vw beetle speedometer not working?
well fix it then it will work !!
Why should you buy a new volkswagen beetle?
You should buy a new VW Beetle (Mexican 1977-1998) but you should not buy a VW New Beetle. They are the most difficult cars to work on, but they are very cute!!
Which oil do you put in a VW Beetle?
1998 vw beetle what type of oil
Where is transmission dipstick in 2003 VW Beetle?
dipstick transmission in vw beetle
Can VW beetle run on E10?
Yes it can. E10 is no problem for a VW beetle.
Where are sparks plugs on 1999 vw beetle?
how do you replace the spark plugs on a vw beetle
