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Caterpillar 3208 Solutions This sub-forum is hosted by Mike Hohnstein who has been at this kind of thing for 50+ years now, guess I'm addicted. The saga has been all about progressively larger shop space since then. Honestly, never wanted to get into the CAT 3208's that were originally considered to be a throwaway engine but that's all that works in a FC in my world. Same thing with my Ford toter, that came with a NA, too much effort to hang in a 6, so been at it with the CAT V-8 for 20 years now. In reality you can get excellent life out of a CAT 3208 if it's built correctly. Post your questions about the CAT 3208 engines here and Mike will try to help you out.

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  #11  
Old 09-26-2019
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gcyeaw gcyeaw is offline
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How much fuel is in the tank? The gen will quit around 1/4 tank (shorter pickup tube by design). Sure sounds like a fuel issue on both though.

The gen will not stay running if it is not producing AC. If the fan does not run there is an AC issue (independent of main engine.)

3208 fuel solenoid makes a definite click (thump) when the ignition is turned on. If you have a helper listen by the engine while turning the key on and off. The 3208 will run with the fuel solenoid removed, but you can't shut it off unless you re-install the valve. Measure the voltage at the 3208 fuel solenoid, it is common for it to be low due to old wiring and poor connections causing it to work intermittently. Many of us have put a relay in the circuit to make sire it is getting the full battery voltage.
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Last edited by gcyeaw; 09-26-2019 at 03:59 PM.
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  #12  
Old 09-26-2019
Bryce_wes Bryce_wes is online now
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I made it to a safe place. I got the generator running, didn’t know about the fault circuit breaker. I’m sure I didn’t get the air out when I had to change a hose this morning. The temp gauge apparently doesn’t work. Found a leak in asolder joint on the radiator, will try to wire brush and Jb weld for now. I see fuel in the valley, but it is hard to tell the source. Looking more into that now. Still not sure on the radiator level since I don’t seem to have the sight glass.
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  #13  
Old 09-26-2019
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Fuel in the valley usually indicates the injection pump is leaking and in need of a rebuild. If the fuel is brown it could be plugging up the filter, been there, done that
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  #14  
Old 09-26-2019
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Quote:
Originally Posted by Bryce_wes View Post
I made it to a safe place. I got the generator running, didn’t know about the fault circuit breaker. I’m sure I didn’t get the air out when I had to change a hose this morning. The temp gauge apparently doesn’t work. Found a leak in asolder joint on the radiator, will try to wire brush and Jb weld for now. I see fuel in the valley, but it is hard to tell the source. Looking more into that now. Still not sure on the radiator level since I don’t seem to have the sight glass.
Make sure it is fuel, stick a paper towel in it, if it red it could be ATF. Many use ATF in the power steering pump reservoir. You could just have a bed hose connection. If it is fuel you have a injection pump issue. The o-rings could be shot.
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  #15  
Old 09-26-2019
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Definitely fuel, is stall out after running a typical presentation?
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  #16  
Old 09-26-2019
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Quote:
Originally Posted by Bryce_wes View Post
Definitely fuel, is stall out after running a typical presentation?
Yes
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  #17  
Old 09-26-2019
Bryce_wes Bryce_wes is online now
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It definitely is getting fuel, since I cleaned out the valley, I can see it pooling while trying to start. I think I will have to pull all the charge air pipes, etc to get a better look. Where is the the best place for a rebuilt fuel pump?
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Old 09-26-2019
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Start with Mike Honstein
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Old 09-26-2019
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Unlikely the pump would leak that much, hoses and injection lines first.
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  #20  
Old 09-26-2019
Bryce_wes Bryce_wes is online now
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I will pull the charge air pipework in the morning as long as thos shop doesn’t tell me to take a hike.
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