Need coolant flow diagram for an 87
Thread Starter
Senior Member
Joined: Oct 2005
Posts: 949
Likes: 5
From: England
Car: 1987 GTA
Engine: 350 TPI w/ extras !
Transmission: 700R4
Need coolant flow diagram for an 87
Hi all,
Does anyone have a flow diagram for an 87 350 TPI ? i just want to double check its all going the right way before looking at a bigger radiator or different fans
Does anyone have a flow diagram for an 87 350 TPI ? i just want to double check its all going the right way before looking at a bigger radiator or different fans
TGO Supporter
Joined: Sep 2000
Posts: 6,775
Likes: 27
From: So.west IN
Car: 87 Formula/ 00 Xtreme
Engine: TPI 305/ v6
Transmission: struggling t-5/ 4l60E
Axle/Gears: 3.08/ 3.23
Re: Need coolant flow diagram for an 87
-coolant in from lower radiator to water pump
-pumped thru engine, out of thermostat to upper radiator
--also out lower manifold to throttle body
-tb out to heater control valve
--hcv diverts coolant back to radiator, bypassing heater core, if hvac temp set all the way to cold
-hcv to heater core
-heater core to radiator
-pumped thru engine, out of thermostat to upper radiator
--also out lower manifold to throttle body
-tb out to heater control valve
--hcv diverts coolant back to radiator, bypassing heater core, if hvac temp set all the way to cold
-hcv to heater core
-heater core to radiator
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