3204 hard starting

Zach Scherf · Dec 26, 2012

Ok guys we have a cat 920 wheel loader with a 3204 diesel motor in it and it used to start very easily but now you have to shoot it with either but once you get it going it'll run perfectly fine no problem and it'll start back up just fine no problem if you try within about an hour or so. What could be the problem? I hate using ether but we use it daily for feeding cows. Any suggestions as what could be wrong? Please and thanks

Anonymous-0 · Dec 26, 2012

Valve adjustment could be the problem.

Zach Scherf · Dec 26, 2012

Could that be a problem that suddenly appears after running good for around 300 hours after a rebuild?

Anonymous-0 · Dec 26, 2012

she's droping the fuel check your lines and filters for leaks

Anonymous-0 · Dec 26, 2012

Did you check the injectors when it was rebuilt? I also agree it could have a tiny fuel leak and loosing just enough fuel to lose it's prime.

dpendzic · Dec 26, 2012

I have a 3204 and it just doesn't like to start if it drops down to the 30's. Cat manual says to use a 2 second burst of either to start it. Most of the D3B dozers came with either injection system

Anonymous-0 · Dec 27, 2012

Use the ether while cranking! It helps to speed the throttle up a bit too. My 931B won't keep running at idle until it warms up.

Farmerford · Dec 27, 2012

My D3B with a 3204 is the same way. If it 50 deg F or so the batteries have to be fully charged for it to start. At 40 it takes fully charged batteries and ether from the on-board system.

3204 hard starting

Zach Scherf

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Zach Scherf

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Farmerford

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