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South Florida Dysfunctional 4x4's

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Old 02-09-2014, 10:49 AM
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Ya that be great but all cooling system parts are less than 2 years old . I had this issue about 6 months ago chunks of rust in passenger side tank ? Green coolant always but rust chunks im at a loss. Run all day long in town .180 or so get on long run chunks get lifted up and block tubes in pass tank push clutch in let circulation settle chunks sink . Few miles down th road same thing. And so on...
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Old 02-09-2014, 12:04 PM
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Do you think it might be from either inside the block? Or even in the intake manifold? I know coolant flows through there also...
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Old 02-09-2014, 12:09 PM
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Intake does not get water thru it on 4.0,Some foreign cars do. That's whats got me puzzled where it coming from. seeing how small our radiator are you block one third of it it runs warm .
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Old 02-09-2014, 01:27 PM
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Would a glazed, loose, or otherwise contaminated belt slip on the fan/water pump pulley at higher RPM's?
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Old 02-09-2014, 01:30 PM
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Originally Posted by freegdr
Ya that be great but all cooling system parts are less than 2 years old . I had this issue about 6 months ago chunks of rust in passenger side tank ? Green coolant always but rust chunks im at a loss. Run all day long in town .180 or so get on long run chunks get lifted up and block tubes in pass tank push clutch in let circulation settle chunks sink . Few miles down th road same thing. And so on...
How is the heater core
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Old 02-09-2014, 01:31 PM
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Originally Posted by offroadordnance
Would a glazed, loose, or otherwise contaminated belt slip on the fan/water pump pulley at higher RPM's?
Tight and no slippage....
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Old 02-09-2014, 01:32 PM
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Originally Posted by Hamer460
How is the heater core
Clean as new babys but it copper so cant rust .
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Old 02-09-2014, 01:39 PM
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Originally Posted by freegdr
Clean as new babys but it copper so cant rust .
Then the rust has to be from the block.

Freeze plugs maybe
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Old 02-09-2014, 02:15 PM
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Originally Posted by Hamer460
Then the rust has to be from the block.

Freeze plugs maybe
All new plugs >.. Castiron don't rust to where its gonna chip off unless airs also present . Only idea I can come up wit b4 I bought it maybe some on changed a freeze plug and dropped old one in block and could not get it out...
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Old 02-09-2014, 02:17 PM
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Originally Posted by offroadordnance
Would a glazed, loose, or otherwise contaminated belt slip on the fan/water pump pulley at higher RPM's?
Don't lose steering or alternator during this issue...
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Old 02-09-2014, 02:26 PM
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Originally Posted by freegdr
All new plugs >.. Castiron don't rust to where its gonna chip off unless airs also present . Only idea I can come up wit b4 I bought it maybe some on changed a freeze plug and dropped old one in block and could not get it out...

This is making me think so hard it's staring to hurt. LOL

How about the thermostat housing.
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Old 02-09-2014, 03:59 PM
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Been a while since I posted. The Xj hasnt been started in a month or 2. Fired right up!

Still don't wanna sell her lol
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Old 02-09-2014, 04:17 PM
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Originally Posted by Hamer460
This is making me think so hard it's staring to hurt. LOL

How about the thermostat housing.
Aluminum ...
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Old 02-09-2014, 07:36 PM
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Originally Posted by bootxj
Been a while since I posted. The Xj hasnt been started in a month or 2. Fired right up!

Still don't wanna sell her lol
Don't hahaha!!!
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Old 02-09-2014, 07:40 PM
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Gary, you're positive they're not coming from the radiator? Those rust chunks are in your reservoir/overflow tank right?
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