Date: 13 Jun 2005 19:08:51 GMT From: Dave Hinz <DaveHinznospamcop.net> Subject: Re: radiator/overheating (was: horn not working????)
On 13 Jun 2005 11:31:16 -0700, yaofeng <yaofengchennospaml.com> wrote: > What mechanism stops the flow of coolant to the heater core at high > tempearture? I don't think there is a device to block that flow in _any_ situtation. > The heater core coolant circuit is complely unblocked by any device, at > least on a 9000 it is so. Coolant in that circuit is pumped as long as > engine is running. Right. The engine/heater core get the heat first, so the passenger gets heat before excess heat is dumped into the radiator.