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Favorite cooling system bleed method? #4522903
09/22/17 06:30 AM
09/22/17 06:30 AM
Joined: Jun 2013
Posts: 525
Albany, NY
ford46guy Offline OP
ford46guy  Offline OP
Joined: Jun 2013
Posts: 525
Albany, NY
What do you like best?
Spill Free Funnel
Warm and Burp
Vacuum Filler
Flush Machine


95 Tbird V8 240K PP SYNTH ULTRA 5W30
98 MGM 160K M1 HM 5W20
96 Explorer EB V6 159K PP SYNTH HM 5W30
95 Conti 155K MC 5W20
11 GS350 90K PP HM 5W30
Re: Favorite cooling system bleed method? [Re: ford46guy] #4522913
09/22/17 06:41 AM
09/22/17 06:41 AM
Joined: Feb 2006
Posts: 2,660
Cincinnati
Chris Meutsch Offline
Chris Meutsch  Offline
Joined: Feb 2006
Posts: 2,660
Cincinnati
Warm and Burp with the cap off.


2005 Honda CR-V EX, 268k
Re: Favorite cooling system bleed method? [Re: ford46guy] #4522924
09/22/17 06:51 AM
09/22/17 06:51 AM
Joined: Nov 2012
Posts: 234
NorCal
Seventh Offline
Seventh  Offline
Joined: Nov 2012
Posts: 234
NorCal
Vacuum is my preferred method

If vacuum isn't available I like to raise the front of the vehicle while filling the radiator. Helps the air escape naturally.

Re: Favorite cooling system bleed method? [Re: ford46guy] #4522943
09/22/17 07:12 AM
09/22/17 07:12 AM
Joined: Jan 2017
Posts: 1,139
USA
ArcticDriver Offline
ArcticDriver  Offline
Joined: Jan 2017
Posts: 1,139
USA
Personal favorite is to travel some steep local mountain roads at RPM which places the engine in various positions to let the coolant find all those possible air pockets. grin


Multiple Diesel and Gasoline vehicles
Re: Favorite cooling system bleed method? [Re: ford46guy] #4522956
09/22/17 07:25 AM
09/22/17 07:25 AM
Joined: Oct 2016
Posts: 191
MN
ZebRuaj Offline
ZebRuaj  Offline
Joined: Oct 2016
Posts: 191
MN
Spill free funnel.

Had enough rewards dollars from Advance after a job to grab one on the cheap. Way easier and no mess to clean up (for the motors that don't have a bleed valve).


~Shade tree mechanic for friends and family.
Re: Favorite cooling system bleed method? [Re: ford46guy] #4522961
09/22/17 07:36 AM
09/22/17 07:36 AM
Joined: Sep 2016
Posts: 166
MN
Tman220 Offline
Tman220  Offline
Joined: Sep 2016
Posts: 166
MN
I would love to pick up an air lift, but until then, on vehicles I am able, I fill the engine from the thermostat housing, install the stat and continue filling from the radiator or recovery tank depending on vehicle.

On vehicles that don't allow filling from the thermostat I will elevate the front of the car as high as I can can, pop open any bleeders, fill it up, pull off any hoses I think will allow air to escape in order to get more coolant in on the initial fill. Then I'll start it up and let it rock, I will also plug in my bluetooth obd 2 adapter and monitor coolant temp from my phone while im still under the hood topping things off.


2012 Regal GS Turbo PP 5w30
1994 Camaro Z28 LT1 355 CI, 430 RWHP PP 5W30
Re: Favorite cooling system bleed method? [Re: ford46guy] #4523012
09/22/17 08:26 AM
09/22/17 08:26 AM
Joined: Dec 2011
Posts: 5,109
North Carolina
rooflessVW Offline
rooflessVW  Offline
Joined: Dec 2011
Posts: 5,109
North Carolina
My preferred method is to just pay a shop the minimal labor fee to deal with properly bleeding the system and disposing of the many gallons of old coolant.


"Zed's dead baby, Zed's dead."
Re: Favorite cooling system bleed method? [Re: ford46guy] #4523032
09/22/17 08:46 AM
09/22/17 08:46 AM
Joined: Dec 2005
Posts: 10,326
Upper Midwest
kschachn Offline
kschachn  Offline
Joined: Dec 2005
Posts: 10,326
Upper Midwest
I don't think I have a favorite other than following what the maintenance manual says. On three of my four cars there's nothing special you need to do, those are self-bleeding IAW the FSM. The Accord has a bleed screw on the thermostat housing.

Some BMWs (not mine) have specific instructions for bleeding the cooling system after maintenance.


1994 BMW 530i, 238K
1996 Honda Accord, 266K
1999 Toyota Sienna, 407K
2000 Toyota ECHO, 280K
Re: Favorite cooling system bleed method? [Re: ford46guy] #4523041
09/22/17 08:59 AM
09/22/17 08:59 AM
Joined: Jan 2013
Posts: 396
West Yorkshire, UK
NGRhodes Offline
NGRhodes  Offline
Joined: Jan 2013
Posts: 396
West Yorkshire, UK
I follow the workshop manual.
Can't remember a car that I have had that has needed anything more than a standard fill, warm, cool,top up type process.

Re: Favorite cooling system bleed method? [Re: ford46guy] #4523084
09/22/17 09:50 AM
09/22/17 09:50 AM
Joined: Aug 2016
Posts: 661
New Jersey
THafeez Offline
THafeez  Offline
Joined: Aug 2016
Posts: 661
New Jersey
Spill free funnel I got as a gift. epaauto has it for 20 bucks on amazon and ebay if you dont have prime. Practically the same as the lisle that goes for 40 almost everywhere else. Saves me the headache of not being able to tell if theres air in the system since im still a rookie at this.


2004 Toyota Solara SE 2.4 2AZFE
182,000 miles
Castrol Magnatec Semi-Syn 5W30
Royal Purple 20-400 oversize 2nd run
Re: Favorite cooling system bleed method? [Re: ford46guy] #4523094
09/22/17 10:19 AM
09/22/17 10:19 AM
Joined: Jun 2013
Posts: 525
Albany, NY
ford46guy Offline OP
ford46guy  Offline OP
Joined: Jun 2013
Posts: 525
Albany, NY
I'm getting the Lisle spill free funnel, its going to be $25 at advance, have some coupons and codes. I used to use a funnel with electrical tape on the base, it would always leak.


95 Tbird V8 240K PP SYNTH ULTRA 5W30
98 MGM 160K M1 HM 5W20
96 Explorer EB V6 159K PP SYNTH HM 5W30
95 Conti 155K MC 5W20
11 GS350 90K PP HM 5W30
Re: Favorite cooling system bleed method? [Re: ford46guy] #4523095
09/22/17 10:25 AM
09/22/17 10:25 AM
Joined: Mar 2004
Posts: 1,491
Flaherty, KY
92saturnsl2 Offline
92saturnsl2  Offline
Joined: Mar 2004
Posts: 1,491
Flaherty, KY
On engines that are hard to bleed completely, I drill a 3/32" hole in the outer ring of the thermostat. Small enough that it doesn't hinder warm-up, but it makes the chore of bleeding the cooling system a thing of the past.


1985 F-250HD 7.5L 4x4 135k- Castrol GTX 15w-40 HDEO
04 Odyssey EX 184k PUP 0w-40
96 Maxima GLE 254k QS Defy 5w-30
07 Chrysler Pacifica Limited 4.0L 134k Chevron Supreme 5w-20
Re: Favorite cooling system bleed method? [Re: ford46guy] #4523101
09/22/17 10:32 AM
09/22/17 10:32 AM
Joined: Sep 2007
Posts: 1,023
TX, USA
JMJNet Offline
JMJNet  Offline
Joined: Sep 2007
Posts: 1,023
TX, USA
There should be no favorite, it depends on the car/truck.

For example in a Toyota that I had, the t-stat have the bleeder valve so there is almost no need to bleed.
All I did was squeeze on the hose while the engine is running to make the bleeding faster.

In the 6.5L diesel truck, there is a bleeder valve before the t-stat.
Open that for a few minutes while the engine is running.

So, asking the question is almost useless without the information about the vehicle that you have.
Because a lot of the suggestion may not be applicable.


  • 2017 Toyota Sienna
  • 1995 GMC Suburban 6.5L Turbo Diesel


Re: Favorite cooling system bleed method? [Re: ford46guy] #4523102
09/22/17 10:33 AM
09/22/17 10:33 AM
Joined: Feb 2011
Posts: 907
MA
AandPDan Offline
AandPDan  Offline
Joined: Feb 2011
Posts: 907
MA
Whatever tbe FACTORY service manual says.

Re: Favorite cooling system bleed method? [Re: ford46guy] #4523120
09/22/17 11:17 AM
09/22/17 11:17 AM
Joined: Jan 2004
Posts: 4,471
California
nthach Offline
nthach  Offline
Joined: Jan 2004
Posts: 4,471
California
Lisle spill-free funnel 90% of the time. I have a vacuum filler that was intended for a Nissan, but it's also recommended for the Prius or other Toyota hybrids.

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