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 Coolant flush
#970756
11/05/09 03:51 AM
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Joined: Oct 2007
Posts: 10
OP
Need a Spot
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I just finished flushing the radiator on my 96 T100 4x4 and was refilling it with coolant. I does not seem to be taking the required amount of coolant. Its supposedly supposed to take a little while but how long is it supposed to take? Also I was wondering an easy way to drain the reservoir because right now it has water in it from when I flushed out the system. Thanks
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Re: Coolant flush
[Re: uareahosereh]
#970757
11/05/09 04:32 AM
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Joined: Feb 2000
Posts: 4,160
Toyota Moderator
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Pull the reservoir out and dump it.
After I do a flush it usually won't fill all the way back up. Just fill the reservoir, put the cap on and start driving. After a few driving cycles the radiator will suck in fluid as needed (whenever the cooling system cools). Just check the reservoir periodically and add more as needed.
Also, the factory thermostat has a jiggle valve in it presumably to help bleed air through it, which might help a bit.
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Re: Coolant flush
[Re: ErikB]
#970758
11/05/09 06:10 AM
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Joined: Jan 2001
Posts: 11,595
Forum Moderator
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Remember, there is coolant inside the engine block, intake manifold, and your heater core. So unless you flushed and removed all the coolant from these, there will still be quite a bit of coolant still in the system.
Flushing the radiator alone only removes maybe half of the total coolant, and is not good enough if you have dirty fluid.
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Re: Coolant flush
[Re: Adam F]
#970759
11/05/09 07:11 AM
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Joined: Oct 2007
Posts: 10
OP
Need a Spot
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I think I flushed the whole thing, I disconnected the bottom hose and than ran a hose through the top and ran the truck for 5 or 10 minutes. If so I figured out the reason the coolant wasn't filling was because I needed to jack up the front of the car. As for the reservoir is there an easy way to take it out the only way I'm seeing is two bolts that look pretty difficult to get to. Thanks for your help
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Re: Coolant flush
[Re: uareahosereh]
#970760
11/05/09 08:22 AM
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Joined: Feb 2007
Posts: 476
Mudrunner
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[quoteAs for the reservoir is there an easy way to take it out the only way I'm seeing is two bolts that look pretty difficult to get to. Thanks for your help [/quote] It just hangs on the bracket...just pull the cap off and then pull the entire reservoir up and out. <img src="/forums/images/graemlins/wink.gif" alt="" />
1998 T-100 Xtra cab SR5 2WD Auto; Roadmaster Active Suspension; Yokohama Geolander HT-S; lowered air dam; full belly pan; 4? diffuser; 11" side skirts; dual transmission coolers; 67% grill blocked; Auto-RX'd; ScanGauge II/Ultra-Gauge
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Re: Coolant flush
[Re: uareahosereh]
#970761
11/05/09 09:10 AM
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Joined: Oct 2002
Posts: 15,887
Toyota & Classifieds Moderator
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Time for you to download a factory service manual before ya get yerself into trouble. <img src="/forums/images/graemlins/wink.gif" alt="" /> www.techinfo.toyota.com $10 and a 24 hour download window.
http://www.walkablecommunities.org/Democracy is two wolves and a lamb voting on what to have for dinner. Liberty is a well-armed lamb contesting the vote. **ubi apis- ibi salus**
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Re: Coolant flush
[Re: uareahosereh]
#970762
11/05/09 04:34 PM
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Joined: Feb 2000
Posts: 4,160
Toyota Moderator
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I think I flushed the whole thing, I disconnected the bottom hose and than ran a hose through the top and ran the truck for 5 or 10 minutes. If so I figured out the reason the coolant wasn't filling was because I needed to jack up the front of the car. As for the reservoir is there an easy way to take it out the only way I'm seeing is two bolts that look pretty difficult to get to. Thanks for your help That typically doesn't do the best job because the cool water you flush it with doesn't let the thermostat open and flush out whats in the engine block. Removing the thermostat as well as the drain plug in the engine block just in front of the passenger's side motor mount will drain the most fluid and then you can do a much more thorough flush. Adding a fitting to the heater hose to attach a garden hose helps flush fluid out from that end of the system too. Prestone sells a kit for that.
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Re: Coolant flush
[Re: kewlynx]
#970763
11/05/09 04:49 PM
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Joined: Feb 2007
Posts: 476
Mudrunner
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Time for you to download a factory service manual before ya get yerself into trouble. <img src="/forums/images/graemlins/wink.gif" alt="" /> www.techinfo.toyota.com $10 and a 24 hour download window. Actually...they raised the price last time you were there. It now starts out at $15 fer a 2 day window... <img src="/forums/images/graemlins/wink.gif" alt="" /> Subscription Term
Standard Professional Diagnostic Security Professional*
2 Day $15 US $55 US $55 US
Monthly $75 US NA NA
Yearly $400 US $995 US $995 US
1998 T-100 Xtra cab SR5 2WD Auto; Roadmaster Active Suspension; Yokohama Geolander HT-S; lowered air dam; full belly pan; 4? diffuser; 11" side skirts; dual transmission coolers; 67% grill blocked; Auto-RX'd; ScanGauge II/Ultra-Gauge
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Re: Coolant flush
[Re: uareahosereh]
#970764
11/05/09 07:45 PM
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Joined: Jan 2001
Posts: 11,595
Forum Moderator
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I think I flushed the whole thing, I disconnected the bottom hose and than ran a hose through the top and ran the truck for 5 or 10 minutes. I see. But that still leaves hose water trapped in the system (block, heater core, intake) So unless you've disconnected the heater core, blew it out with an air hose, and unscrewed the block drain plug, then all that hose water is still in the engine. THAT'S why you aren't able to fit the specified amount of coolant (which is from a dry fill)
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Re: Coolant flush
[Re: Adam F]
#970765
11/05/09 08:11 PM
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Joined: Jan 2003
Posts: 270
Mudrunner
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I never put any water in the system for flush or fill unless it is distilled. Tap water from your garden hose can have all sorts of undesireable minerals, chlorine, sediment, etc. depending on your local water supply.
Jeff
96 T100 SR5 4WD Ext Cab, Warn Hubs, HD torsion bars, Bilsteins, Camper Shell, TJM bar, factory 31 x 10.5's, Powertrax No-slip rear, Recaro driver's bucket
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