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  #1  
Old June 17th, 2012, 09:55 PM
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Not another overheating thread ... Martha's vineyard nudist beach

I know why I'm over heating ... It's because I'm losing water ...

Sorry about the title ... Just need some help here!

I just drove 250 miles to Marthas vineyard from NYC, did another 100 pottering round the island ( saw 3 SW's and 2 series ) ... 150 miles into the trip back ... Temp rises a bit then on an uphill section climbs toward the red.

I stop and check the temp with ECUmate and it's about 104C, take the expansion bottle cap off ... There is pressure and it's half full.
I remove radiator filler plug and it's empty ... I refill with the fluid I have just for this occasion, massage top hose, fill into the top filler and put everything back. Drive maybe 5 10 miles with no issue, stop to get gas.

I buy a radiator leak stop and some more radiator fluid ( premixed)

Top up ( parked on a slope so radiator is up most ).

Massage hose etc etc.

Drive another hundred miles including some slowish traffic .... Hit the FDR drive in manhattan and it's over heating again. I stop and fill up again and drive the few miles home.

System seems to hold pressure but the top hose when parked nose down initially didn't seem to have water. I massaged it ... Heard some gurgling from the expansion bottle and then the hose is hot and clearly full.

I pressure tested the system a couple of weeks back ... Replaced a faulty hose and thought I'd solved it ...

I also did a gas test in the fluid for a blown head gasket and that seemed to be ok. The oil is beautifully clean ..

So now I'm scratching my head .... all I can think is head gasket but everyone tells me it would steam like a steam train the amount I'm losing ...

I attached a gratuitous photo of my truck on a ferry ... As people read threads with pictures and I need all the help I can get.

Head gasket or am I missing something?
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Soapy water / KY jelly, etc. is is basically a must. Yes, good idea to remove trim panels - only takes 5 more minutes to do so.
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  #2  
Old June 18th, 2012, 10:40 AM
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Drove 80 miles of light town and freeway and no problem ...
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Soapy water / KY jelly, etc. is is basically a must. Yes, good idea to remove trim panels - only takes 5 more minutes to do so.
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  #3  
Old June 18th, 2012, 11:17 AM
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Weep hole on water pump?
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  #4  
Old June 18th, 2012, 11:30 AM
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pinhole leak in radiator? With the bad luck with radiators I've had in a variety of solihull's finest over the years, I've found that a radiator rebuild from a good shop generally clears up any and all overheating wierdness. If you have a 17 year old radiator in there and are confident your HG is ok, I'd start with a recore and go from there.
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Old June 18th, 2012, 02:46 PM
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Smile

check all hose even the little odd one on top
would also check intake and water pump that ron mentioned thats my number one bet

my truck facing Marthas Vineyard : )
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  #6  
Old June 18th, 2012, 04:05 PM
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Rad recore a few years ago ... new water pump 12 months ago ... new fiddly little hoses about 2 weeks ago
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Soapy water / KY jelly, etc. is is basically a must. Yes, good idea to remove trim panels - only takes 5 more minutes to do so.
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Old June 18th, 2012, 04:15 PM
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Are you really, really, super, 100% certain there's no air in the system?
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Old June 18th, 2012, 04:31 PM
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Do you have a laser temperature gun to verify how hot it's running?
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I am talking purely from an aesthetics standpoint.
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Old June 18th, 2012, 04:36 PM
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Quote:
Originally Posted by Abrooks View Post
Are you really, really, super, 100% certain there's no air in the system?
I was burping air out of my system for a few weeks after the radiator was out.
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Old June 18th, 2012, 04:37 PM
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I'm not certain it's 100 air free ... Would that cause it to throw the water out ... It loses a gallon!

I have a temp gun ...
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Soapy water / KY jelly, etc. is is basically a must. Yes, good idea to remove trim panels - only takes 5 more minutes to do so.
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Old June 18th, 2012, 04:39 PM
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A GALLON? Is your lower hose even attached??
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  #12  
Old June 18th, 2012, 04:46 PM
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If you are losing it, you are losing it Put some florescent (cut open some highlighter pens and soak the felt in some water) and put tonic water into your system for a while and then hit it with a black light. Tonic water contains quinine which gives off a blue light when hit with a black light. least that way you can see it better if its leaking out through a very small hole.
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Old June 18th, 2012, 04:47 PM
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It will run fine for ages and then basically lose the lot!

Just going to throw in a 300tdi and have done with gas!
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Soapy water / KY jelly, etc. is is basically a must. Yes, good idea to remove trim panels - only takes 5 more minutes to do so.
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  #14  
Old June 18th, 2012, 05:02 PM
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Quote:
Originally Posted by leastonce View Post
I have a temp gun ...
Sweet. Can I borrow it?
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  #15  
Old June 18th, 2012, 05:05 PM
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Sure. It's only on a 6 month basis though ..
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Soapy water / KY jelly, etc. is is basically a must. Yes, good idea to remove trim panels - only takes 5 more minutes to do so.
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  #16  
Old June 18th, 2012, 07:34 PM
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Quote:
Originally Posted by ini88 View Post
If you are losing it, you are losing it Put some florescent (cut open some highlighter pens and soak the felt in some water) and put tonic water into your system for a while and then hit it with a black light. Tonic water contains quinine which gives off a blue light when hit with a black light. least that way you can see it better if its leaking out through a very small hole.

I'll take the black light out of Josh's passion wagon .... I only lose it it under load ... anyone fancy hanging on underneath my truck for 100miles??

I might just do the head gaskets in a couple of weeks ... do our trucks have bolts 11-14 on the head? I know these are deleted on later vehicles.

The sooner I'm running heavy oil the better ... ( Thats how a UK V5 document describes diesel )
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Soapy water / KY jelly, etc. is is basically a must. Yes, good idea to remove trim panels - only takes 5 more minutes to do so.
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