JCB 3CX project 8 overheating

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Topic author
gandamaluco
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Real name: Hélio Sequeira
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Re: JCB 3CX project 8 overheating

Post #21 by gandamaluco » Fri Feb 19, 2021 9:24 pm

[video][/video]Thanks Jeremy. I got other videos to show the exaust and there is no grey smoke thank God. Still that cooling circuit that is driving me nuts, is that normal?
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Topic author
gandamaluco
Posts: 31
Joined: Wed Jan 27, 2021 12:09 am
Real name: Hélio Sequeira
Flag: Portugal

Re: JCB 3CX project 8 overheating

Post #22 by gandamaluco » Fri Feb 19, 2021 9:27 pm

gecko.cx wrote:
gandamaluco wrote:
gecko.cx wrote:Interesting - the AB definitely makes it a 1004-4t, so I'm surprised there were both gear and belt driven versions used.

For reference:
AB = 1004-4T (turbo)
50535 = Parts List Code for ordering spare parts
U = UK build
784415 = unique serial number
"B"? = Build Year (having trouble reading this) - if it's a "B", the build year is 1996


geko... i think that you got the wrong number.
AB50585 u7844158


Thanks - corrected the Parts List Code.

The unique serial number should be 6 digits followed by a letter.
Could you check to see if it's an 8 or a B? (A P8 certainly fits with a B)


Sorry but forgot the picture....
But yes, its a "B" - 1996 build


Jeremy Rowland
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Re: JCB 3CX project 8 overheating

Post #23 by Jeremy Rowland » Fri Feb 19, 2021 10:08 pm

Helio as long as coolant is not being ejected from the cooling system once the engine is hot, this indicates that it is okay, now if it was blowing the coolant out then you either have a blown head gasket or the radiator core is blocked up with dirt, but normal system circulation should be okay.

Jeremy


Topic author
gandamaluco
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Re: JCB 3CX project 8 overheating

Post #24 by gandamaluco » Fri Feb 19, 2021 10:34 pm

The coolant is at the same level all day. I kept an eye at the radiator and the expansion vase hourly and nothing diferent. The level is ok.


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Re: JCB 3CX project 8 overheating

Post #25 by Jeremy Rowland » Fri Feb 19, 2021 10:48 pm

Sounds okay to me then :thumbup: just keep an eye on your temperature gauge when you are using the machine.

Jeremy


Topic author
gandamaluco
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Re: JCB 3CX project 8 overheating

Post #26 by gandamaluco » Mon Feb 22, 2021 10:59 pm

essexpete wrote:Apparently the early flat top (and perhaps later as well) used either belt or gear driven water pumps depending on application.



Just for the reccord...
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