I'll paraphrase the flow description in Haynes. (I couldn't find anything
in Bently, and I can't scan). So:
Cold water circulates up the lower rad. hose to the pump, then around the
cyl. block. Then up into the head and around the combustion spaces and
valve seats; then, when the eng. is up to temp., out the cyl. head, past the
open t'stat into the upper rad. hose and into the radiator.
It travels down the rad. and then out and up the lower hose again.
Circulation thru the heater is not addressed, but a diagram of the system
shows water circulating from the pump to the rear of the head where part of
the flow goes from the rearmost outlet thru the heater hose, heater, and
back thru the 2nd hose to the return at the lower part of the pump.
Part of the flow is also shunted to the intake manifold cooling/heating
pipe.
I hope that's of some help.
Tom
----- Original Message -----
From: "aribert" <aribert@c3net.net>
To: <triumphs@autox.team.net>
Sent: Thursday, August 20, 2009 6:49 AM
Subject: [TR] SECOND REQUEST Need page scanned from TR6 or GTB Bentley
manual
>A week ago I asked if anyone would scan a page from the Bently manual
> showing the water flow diagram thru the 6 cyl engine (or describe the
> water flow thru the water pump housing). ANYONE?
>
> The pump housing has 2 parallel chambers. I **think** the coolant flow
> is something like this: water from the lower rad port enters the
> housing, housing splits the water into the 2 chambers. Rear chamber
> pumps into the heater core and bleeds off to the thermostat chamber.
> Forward housing pumps coolant into the head/block and the coolant
> returns to the adjacent port which joins the thermostat chamber.
>
> Is this description correct?
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