bleeding air from cooling system
Thread Starter
|
Senior User
Joined: Aug 2014
Posts: 389
Likes: 0
bleeding air from cooling system
I put a new engine in my '90 ford f150 and I'm getting closer to firing it up. But I'm concerned about the cooling system. When you put the radiator and all the hoses on they are dry. When you fill up the radiator how does water get to the water pump? I've always wondered this. And how do you bleed all the air out? Thanks
Tanner
Tanner
Lead Driver
Joined: Dec 2012
Posts: 7,874
Likes: 48
From: Tennessee
What engine do you have ? In most cases I leave a sending unit , thermostat housing , heater hose or something that is at the top of the system open . I then fill until coolant appears . You still will have some air though . A good coolant fill funnel can help . It seals to the radiator and sits high to let air go to the highest point ( in theory ) Do a series of thermal cycles to allow the thermostat to open . Long ... But it works for me .
New User
Joined: Nov 2014
Posts: 1
Likes: 0
From: Livingston,ca
I got a coolant vacuum they are awesome, one of those pricy single purpose tools I thought I was going to use once but know I enjoy doing coolant exchanges 
hooks up to a compressor and draws a vacuum through the whole system all the hoses collapse then you flick the switch and it draws the coolant through the whole system in seconds - no air bubbles - zero!
What JWC 3 said is also perfect I have gone as far as parking the front wheels on ramps hoping that would help bring air out!
hooks up to a compressor and draws a vacuum through the whole system all the hoses collapse then you flick the switch and it draws the coolant through the whole system in seconds - no air bubbles - zero! What JWC 3 said is also perfect I have gone as far as parking the front wheels on ramps hoping that would help bring air out!
Thread Starter
|
Senior User
Joined: Aug 2014
Posts: 389
Likes: 0
I got a coolant vacuum they are awesome, one of those pricy single purpose tools I thought I was going to use once but know I enjoy doing coolant exchanges hooks up to a compressor and draws a vacuum through the whole system all the hoses collapse then you flick the switch and it draws the coolant through the whole system in seconds - no air bubbles - zero!
What JWC 3 said is also perfect I have gone as far as parking the front wheels on ramps hoping that would help bring air out!
hooks up to a compressor and draws a vacuum through the whole system all the hoses collapse then you flick the switch and it draws the coolant through the whole system in seconds - no air bubbles - zero!What JWC 3 said is also perfect I have gone as far as parking the front wheels on ramps hoping that would help bring air out!
Tanner
Thread
Thread Starter
Forum
Replies
Last Post
PRIMERED79 SHORT BED
1987 - 1996 F150 & Larger F-Series Trucks
17
Oct 1, 2017 07:55 PM
malcolmF150
1987 - 1996 F150 & Larger F-Series Trucks
6
Jun 30, 2007 07:48 PM
