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newbe question...antifreese leak in 620 |
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Just popping in
Joined:
2006/4/24 2:49
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Registered Users
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Hi all, Newbie here. Do you guys discuss trucks? I have a 620 with an L20B motor. It has an antifreese leak that apears to be at the intake/exaust manifold. Is this something a backyard mechanic can fix??? Any advice, and or direction is very apriciated. Thanx in advance, Jim 
Posted on: 2006/4/24 3:16
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Re: newbe question...antifreese leak in 620 |
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No life (a.k.a. DattoMaster)  
Joined:
2003/12/3 0:49
From Burbank, CA
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it's probably one of those annoying heated intake manifolds leaking. sometimes they stop if they're only leaking a little drop or two. maybe check that the nuts are tight.
my car leaked a bit out the intake and tightening the bolts never cured it, it just stopped doing it, i suspect minerals finally built up and sealed it, never to leak again.
Posted on: 2006/4/24 4:08
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Re: newbe question...antifreese leak in 620 |
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No life (a.k.a. DattoMaster) 
Joined:
2004/5/4 8:32
From Canberra
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maybe take the manifolds off, get a new gasket and smear some sealant around the water holes before putting it back on and tighening the bolts fully.
I'm running a twin weber manifold with no galleres so i bought little welch plugs and put them in the holes.
Posted on: 2006/4/24 4:35
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Re: newbe question...antifreese leak in 620 |
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Home away from home  
Joined:
2005/12/7 4:37
From Bendigo, Victoria, Australia.
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do those things have welsh plugs behind the manifold?
its most likely a welsh plug and these can be fixed at home as long as u have a big hammer (no im seious) and the right size socket, a pin punch and a spare few hours (takes ages for a 1st timer)
start by pulling off the manifold and check to make sure that it is a welsh plug.
if it isnt then its probably a good idea to do them anyway because its best to be safe than sorry.
Posted on: 2006/4/24 11:14
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_________________
"Like a Rolling Stone"
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1972 B110, 13" Bathurst mags, airbrus
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Re: newbe question...antifreese leak in 620 |
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No life (a.k.a. DattoMaster) Joined:
2004/5/4 8:32
From Canberra
Group:
Registered Users
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nah they dont have welch plugs in them normally, they are just an open passage that allows water to flow into the inlet manifold.
I bought (12mm I think...) welch plugs and put them into the head to stop the leaking.
Posted on: 2006/4/25 1:16
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_________________
Recommend trading with: gx5, wardat, dat141, datwags, boofhead, PIGDOG, MYORGZM, sssute, Ronald, beattie, dodgeman, dog160, LAGWAGON, Whitesedan, DamienS, simmos_datto, Team
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Re: newbe question...antifreese leak in 620 |
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Just popping in
Joined:
2006/4/24 2:49
Group:
Registered Users
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Does anyone have any kind of pics, possibly of a tech manual showing the manifolds?
Posted on: 2006/4/25 3:14
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