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Author Topic: External coolant leak (intake manifold)  (Read 7399 times)

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69800

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External coolant leak (intake manifold)
« on: Dec 12, 2009, 02:14:14 PM »
The bolt with the white arrow is leaking coolant. It only had a flat washer. I used some hi temp silicon and stop it but I dont trust it. The coolant was almost pouring out of it under pressure. It seem to me there should be no coolant against that bolt at all but I have never had a toyota manifold apart to see the water jackets. Seem like those bolts should all have a fiber or copper washer on them if the have to be sealing coolant. Anyone know about the bolts under the manifold??? Also whose spacer/ adapter is on the weber carb should I need a new carb  gasket??
thanks
mark
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1980 4x4
22R with weber carb
L50 5 Spd  4.88  30 inch
1992 3.0 2WD auto

79coyotefrg

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Re: External coolant leak (intake manifold)
« Reply #1 on: Dec 12, 2009, 04:09:14 PM »
didnt i tell you how to fix that on your other thread??
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AR-TTORA founder 22R bored.060,LCE stage II race cam http://pure-gas.org/    32/36weber, :driving: Marlin 1200 NON ceramic clutch, L52SHD+dualcase #2919, cable-locker, Yukon 5.29 gears, 35's, Allpro ebrake, front springs, and high steer, F150rears    RIP Nitro 9-29-07 :(  I sure miss him :down: MarlinCrawlerInc IS NOT affiliated with TrailGear in any way

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Re: External coolant leak (intake manifold)
« Reply #2 on: Dec 12, 2009, 04:59:11 PM »
Quote from: 79coyotefrg on Dec 12, 2009, 04:09:14 PM
didnt i tell you how to fix that on your other thread??
:spankbutt:  :rofl2:
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79coyotefrg

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Re: External coolant leak (intake manifold)
« Reply #3 on: Dec 12, 2009, 05:06:58 PM »
Quote from: pumkin toy on Dec 12, 2009, 04:59:11 PM
:spankbutt:  :rofl2:
:haha: i thought it was one of those "deja vu" moments :gap:
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AR-TTORA founder 22R bored.060,LCE stage II race cam http://pure-gas.org/    32/36weber, :driving: Marlin 1200 NON ceramic clutch, L52SHD+dualcase #2919, cable-locker, Yukon 5.29 gears, 35's, Allpro ebrake, front springs, and high steer, F150rears    RIP Nitro 9-29-07 :(  I sure miss him :down: MarlinCrawlerInc IS NOT affiliated with TrailGear in any way

pumkin toy

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Re: External coolant leak (intake manifold)
« Reply #4 on: Dec 12, 2009, 05:12:27 PM »
Quote from: 79coyotefrg on Dec 12, 2009, 05:06:58 PM
:haha: i thought it was one of those "deja vu" moments :gap:
maybe he didnt believe you when you told him how to fix it! now he started a new thread to get more info from other members... :rofl2:
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97 4runner Limited
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Started my own fab business recently check out the website  www.c4fabrication.com

also follow C4Fab on facebook for regular updates on projects. http://www.facebook.com/pages/C4-Fabrication/454285357953823

79coyotefrg

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Re: External coolant leak (intake manifold)
« Reply #5 on: Dec 12, 2009, 05:36:46 PM »
ok,  you'll need to pull the intake off, the flip it upside down and remove the bottom plate,  or just see if you can tighten those small bolts, they are 10mm head dont over torque them
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AR-TTORA founder 22R bored.060,LCE stage II race cam http://pure-gas.org/    32/36weber, :driving: Marlin 1200 NON ceramic clutch, L52SHD+dualcase #2919, cable-locker, Yukon 5.29 gears, 35's, Allpro ebrake, front springs, and high steer, F150rears    RIP Nitro 9-29-07 :(  I sure miss him :down: MarlinCrawlerInc IS NOT affiliated with TrailGear in any way

69800 [OP]

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Re: External coolant leak (intake manifold)
« Reply #6 on: Dec 12, 2009, 07:27:54 PM »
Most forums Ive been on like a fresh post when you change subject. The previous post was more to identify the manifold.
this one is to trouble shot the leak

Why would I take the manifold off?  I can reach them all easily. My question was "Seems like those bolts should all have a fiber or copper washer on them if the have to be sealing coolant." I have already snugged them down. I have never seen a flat washer that could hold back coolant under pressure. I can't believe any engineer would design somthing like this. The gasket is not leaking. The coolant is coming from around the bolt and flat washer
« Last Edit: Dec 12, 2009, 07:41:33 PM by 69800 »
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1980 4x4
22R with weber carb
L50 5 Spd  4.88  30 inch
1992 3.0 2WD auto

79coyotefrg

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Re: External coolant leak (intake manifold)
« Reply #7 on: Dec 13, 2009, 10:07:20 AM »
the  gasket that goes on there surrounds the bolt hole, obviously whoever installed that gasket last damaged that area or didnt put the proper gasket on

ive never had a leak there on any of my engines, in fact this is the first time ive ever heard of a leak there  :dunno:
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AR-TTORA founder 22R bored.060,LCE stage II race cam http://pure-gas.org/    32/36weber, :driving: Marlin 1200 NON ceramic clutch, L52SHD+dualcase #2919, cable-locker, Yukon 5.29 gears, 35's, Allpro ebrake, front springs, and high steer, F150rears    RIP Nitro 9-29-07 :(  I sure miss him :down: MarlinCrawlerInc IS NOT affiliated with TrailGear in any way

69800 [OP]

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Re: External coolant leak (intake manifold)
« Reply #8 on: Dec 13, 2009, 02:02:50 PM »
Now I understand how the gasket works. Thanks
I will get a new one
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1980 4x4
22R with weber carb
L50 5 Spd  4.88  30 inch
1992 3.0 2WD auto
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