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Harry Ferguson Tractors Discussion Forum
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TEA 20 Overheating

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LifestyleLad

12-07-2003 11:20:55




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Hi.

I have an old (1949?) TEA 20 that started to overheat whilst I was mowing the paddocks.

The water was coming out through the radiator cap.

I intend to replace the cap and was thinking I might pull the water pump apart and check. Is there anything that I need to be aware or cautious of when doing this. It seems a fairly straight forward job.

Thanks for your help




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Mr Chapp

12-08-2003 19:18:14




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 Re: TEA 20 Overheating in reply to LifestyleLad, 12-07-2003 11:20:55  
Sorry if this appears twice...brain fade, gets worse...you'll understand later... Have you replaced the thermostat? Seems like a good, enexpensive way to start.



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Jim W

12-07-2003 12:43:33




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 Re: TEA 20 Overheating in reply to LifestyleLad, 12-07-2003 11:20:55  
Yes there is one critical thing - the bearings are no longer available in that size (not just from M-F, I mean, anywhere!). If they are shot you will have to move to a replacement water pump = $.
There is a good chance you have a fair bit of sediment in the block, around the cylinders. Figure out some way to hook a garden hose to the drain tap on the right side of the block (like maybe just hold it there with your hand) and see if you can't flush out a bunch of that old crud. Can't hurt anyway.
Jim W

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Al in BC

12-07-2003 12:10:49




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 Re: TEA 20 Overheating in reply to LifestyleLad, 12-07-2003 11:20:55  
Good day to you sir.

Before you tear anything apart you might have a look at the radiator to see that it is clean and not plugged in the fins. Wash it with a hose or blow it out with compressed air. If this doesn't help then you will have to go deeper. Do this first though it might save you some work.

Best of luck

Al in BC



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LifestyleLad

12-08-2003 15:16:57




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 Re: Re: TEA 20 Overheating in reply to Al in BC, 12-07-2003 12:10:49  
Thanks for the comments.

I have checked the radiator and it appears to be OK.

I will flush out system as suggested and see how that goes.

Thanks



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john(UK)

12-08-2003 15:47:16




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 Re: Re: Re: TEA 20 Overheating in reply to LifestyleLad, 12-08-2003 15:16:57  
The radiator may LOOK ok fromthe front but try a light behind it and look through the fins from the front and then see if it has a lot of debris in it, you cant always see it, a lot collects at the top and the bottom corners where there is little suction from the fan to pull it through and you can get bigger stuff in the centre too that just wont pass through or gradually builds up.



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LifestyleLad

12-09-2003 12:12:07




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 Re: Re: Re: Re: TEA 20 Overheating in reply to john(UK), 12-08-2003 15:47:16  
Thanks for the comments.

I thought I might check the points and even replace with new ones as I understand incorrect settings can lead to overheating.

In reading through this forum I notice a variation in the points settings between 12 thou and 15thou.

Mine is a TEA with a standard engine with inclined oil filter.(around late 40's early 50's vintage.)I notice on BOBS website the manual specifies 12 thou. Can anyone confirm correct setting or does it matter too much ???

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john(UK)

12-09-2003 12:42:38




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 Re: Re: Re: Re: Re: TEA 20 Overheating in reply to LifestyleLad, 12-09-2003 12:12:07  
Lucas distributors have a .012" gap and Delco have .015" gap...yours should have a Lucas Distributor unless someone has changed it.



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Badgerwy

12-08-2003 15:39:57




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 Re: Re: Re: TEA 20 Overheating in reply to LifestyleLad, 12-08-2003 15:16:57  
just an idea if the radiator has a bunch of crud in it.try draining it flushing with clean water.than refill and add a small jug of vinigarlet it run at opperating temp for a bit than drain and flush again you will be supprised at the crud it will break loose.just an idea



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