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Unread 07-14-2014, 09:07 AM   #1
txhunter13
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1978 CJ5 
 
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Help identifying part on carburetor

I'm fixing up a '78 CJ5 and for the life of me I can't find the name or the part online to replace. If you lift the hood and look at the carb it will be in the back left corner of the carb. It's almost like a fuel line, it comes off one spot in the carb and bolts into the engine block and the line coils back and connects to another part of the carb. I can posts pictures if I need to, I'm sure someone knows what I'm talking about, thanks!

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Unread 07-14-2014, 09:12 AM   #2
Mike Romain
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Hot air choke tubing from the sounds of it.
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Unread 07-14-2014, 09:38 AM   #3
txhunter13
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Quote:
Originally Posted by Mike Romain View Post
Hot air choke tubing from the sounds of it.
Would the engine run with this broken? When I was removing the carb, I took it out and saw that the tubing was pretty much charred black since part of the tube going into the engine block had been broken off.
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Unread 07-14-2014, 09:54 AM   #4
John Strenk
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Yes it would but it would take longer opening the choke properly sand you would be wasting gas.
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Unread 07-14-2014, 10:09 AM   #5
txhunter13
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Any idea where I can find this part to order online?
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Unread 07-14-2014, 02:50 PM   #6
LibertyJeeper
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Its just a vacuum line. Bring it to the parts store and they will cut you a new one the same length.
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Just keep in mind: things are never as bad as they seem. These are jeeps, built by man and any problems you come across can be solved by man - even you! Best of luck.
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Unread 07-14-2014, 04:46 PM   #7
Jeffrok
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Cull that piece of junk for a manual choke. You can find them at the auto supply house.
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Unread 07-14-2014, 05:20 PM   #8
hp_lovecraft
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Quote:
Originally Posted by Jeffrok View Post
Cull that piece of junk for a manual choke. You can find them at the auto supply house.
The same auto supply will carry hot air choke repair kits. I've seen them on the shelf at most NAPAs, and OReillys. Its Dorman part# 76850.

I only mention it because I went the same route. 5 years ago, I had a rotted out hot air choke that didnt work. The problem is that they default to CLOSED CHOKE when the tube is broken, which fouls out the engine....

So I installed the manual kit. Easy enough to install, works when used properly. But the problem was I was always forgetting to turn it off.. or turn it on.

I struggled through that for a year, then realized you could get the hot-air choke kit for $10 or so. It works beautifully. I never worry about it. Jeep starts right up, even sub-zero. Choke works as designed.
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Unread 07-15-2014, 09:40 AM   #9
txhunter13
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Thanks guys! Could that be the reason my jeep wasn't starting in the first place? Even in warm/hot weather?
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Unread 07-15-2014, 10:20 AM   #10
John Strenk
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Well depends, was the choke closed when you tried to start the jeep ?
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Unread 07-15-2014, 11:21 AM   #11
hp_lovecraft
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If its stuck closed, it would foul out while driving, then be very hard to start sometimes. You can look at your plugs. Are they pitch black and sooty? Likewise, if its stuck open, you might need to pump the gas 20 times before it starts up. The chokes can be a pain in the pain, and responsible for all sorts of gremlins... but once you get them working well, its almost like a modern car.. lol. "almost"
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Unread 07-15-2014, 01:28 PM   #12
txhunter13
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I believe it was stuck wide open but the jeep wouldn't even start. It would crank over and only keep going for a short time with some starter fluid in the carb. Then at the end when it would die out it seems there was a loud whining type noise coming from the bottom of the engine.
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Unread 07-15-2014, 01:32 PM   #13
John Strenk
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Someone could of set it to stay open all the time and pump the gas pedal a gazillion times to make it start.

It's probably whining because you haven't spent enough money on her yet or the starter is complaining because your cranking on it to long...
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