Weird coolant problem

  • Cobber
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Replied by Cobber on topic Weird coolant problem

Posted 1 month 6 days ago #223800

hopefully I don't have any issues with liner heights. 
 
Yeah that'll be a major ball ache!

"Keep calm, relax, focus on the problem & PULL THE BLOODY TRIGGER"

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Replied by R40MGF on topic Weird coolant problem

Posted 1 month 1 day ago #223863
Hopefully the liners haven't dropped too much, but if they have then I will probably need to strip it for spares. 
I will know tomorrow and I'm keeping everything crossed. 
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Replied by TA22GT on topic Weird coolant problem

Posted 1 month 1 day ago #223866
Good luck mate.
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Replied by R40MGF on topic Weird coolant problem

Posted 1 month 12 hours ago #223869
Your thoughts please gentlemen. 

 
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Replied by TA22GT on topic Weird coolant problem

Posted 1 month 12 hours ago #223870
From what I can tell with the block the liners haven't sunk.
If you scrape the cylinder head and remove the old crud a straight edge and a feeler gauge will show any warps. I doubt there will be any because I think it was caught in good time.
My gut feeling is that both the head and block will clean up and a new HG will do the job.
I know it"s easy to say from where I am sitting!
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Replied by Cobber on topic Weird coolant problem

Posted 1 month 10 hours ago #223872
As TA22GT says, check the liners are sitting OK, give the head, valves and block a good clean up, wave the straight edge at it and slap it back together!
I've seen much worse, come good with a little love!

"Keep calm, relax, focus on the problem & PULL THE BLOODY TRIGGER"

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Replied by Daedalus on topic Weird coolant problem

Posted 1 month 9 hours ago #223873

Hi I would be inclined to do a complete drain down, save the coolant filter it then refill the system and bleed thoroughly.

what do you use to filter the coolant, someone suggested coffee filters to me.
 


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Replied by Delbourt on topic Weird coolant problem

Posted 4 weeks 1 day ago #223876
I used 2 or 3 pieces of kitchen roll gently pushed into the funnel and changed them once the flow through rate slowed so that the “weight” of liquid over the exit point didn’t burst.
I didn’t have enough coffee filters available.
It also helps if you leave the fluid sediment/particulates to settle overnight.
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Replied by Charless on topic Weird coolant problem

Posted 4 weeks 1 day ago #223878
If you want to clean the crowns I recommend painting Reddex on them to soften the carbon and then scraping off with a piece of bamboo cane cut like a chisel blade and vacuuming the bits. Bamboo is hard enough to apply spot pressure down in the cylinder and soft enough not to damage the crown surface; it can be recut if it wears down.
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Replied by D4KGP on topic Weird coolant problem

Posted 4 weeks 1 day ago #223879
That doesn't look too bad, as others have said give it all a good clean (get most of it off then into the dishwasher) check for warping, new gasket and stick it back together. Good luck.
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Replied by Notanumber on topic Weird coolant problem

Posted 4 weeks 1 day ago #223884
If the head checks out with a straight edge and the liners havent dropped i think you will be fine as I was.

2003 MG TF 135 sunstorm

1979 MGB GT

Previously:
2002 115 TF + 1998 118 MG F

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Replied by Delbourt on topic Weird coolant problem

Posted 4 weeks 1 day ago #223885
You might try “nylon pan scrub”.
I bought a set from Halfords for just such a job. I wrapped the coarse grade around the end of a 1” steel scraper. Then finished off with the finer grade.
Yes, it took some effort but it did the job.
I’m sure there might be a more appropriate grade of “pan scub” but I have yet to locate it even though I know it exists.
 
Last Edit:3 weeks 3 days ago by Delbourt
Last edit: 3 weeks 3 days ago by Delbourt.
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