24 Valve Engine and Drivetrain Discuss the 24 Valve engine and drivetrain here. No non-drivetrain discussions please. NO HIGH PERFORMANCE DISCUSSION!

1998 1/2 engine blown

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Old 10-05-2020, 02:23 AM
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The cam gear is pressed on, heating it to 250F in an oven for at least an hour before installing it on the cooled camshaft.
Pressing it off can be problematic, don't overdo it on the heat, you can anneal the hardening of the gear.
(And lead to a failure soon after installation)

Normally you can get to the 2 bolts holding the retainer through holes in the cam gear, maybe your engine is in a position where you can get to them?

Attention, if you want to pull the camshaft you will find that it collides with the front crossmember half way out..

Anyway, with the KDP missing and the engine stuck I'd suggest pulling it. You can do a proper diagnosis and repair with the engine out.
Old 10-05-2020, 04:01 PM
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Took your advice and I'm in the process of removing the motor. I have a manual transmission. Do I split the engine from the trans or the bell housing?

Thanks,
Old 10-05-2020, 04:38 PM
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Bellhousing.
Disconnect fuel, water, charge air,exhaust, electricals, AC compressor(tie to right frame ), pull all radiators except AC condenser, bend condenser 90degrees so that itpoints straight forward
Pull trans and crossmember straight back about 5-10", support with block of wood.
Support engine with blocks of wood before splitting.
Remove front engine mount bolts, engine supported on crane, pull engine. (I find it's a bit easier with the valve cover removed and some rags on the rockers for cylinders 5 and 6)
Old 10-18-2020, 10:47 AM
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OK Found the problem. Apparently when I pressure washed the engine I did get water in the engine through the bad intake gasket. So much so that when I started the engine I bent the rod on number 6 cylinder and took out a small piece of the casting on the skirt of the cylinder wall. Everything else "looks good". I am going to take the long block with pistons to the machine shop to have it checked out.

Thanks for all the help.
Old 10-18-2020, 10:49 AM
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Originally Posted by Old Hippy
OK, I recently pressure washed my engine to find a oil leak. When I started it back up, It made a hell of a noise. When I shut it off I had antifreeze coming out the back of the head. Tore it down and took the head to a machine shop, and they told me I had 6 cracks in the head. I also noted that the intake gasket was bad. Maybe I hydrauliced the motor? Well now the motor won't bar over at all. I took the front cover off and found no problems there. The motor is still in the truck, and I guess I need a new long block. Any suggestions on maybe an upgraded motor? What will fit without a lot of trouble? The transmission is a 5 speed manual. The engine is a 24 valve.

Thanks for the help!
Where are you located?
Old 10-18-2020, 10:55 AM
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I live in a place called Happy Jack, Arizona It's a private parcel of land in the Coconino National Forest. About 80 miles Southeast of Flagstaff AZ
Old 10-18-2020, 01:46 PM
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So, OK last problem. On the Bosch pump. Which hole goes to which injector line? Didn't loosen the clamps when I removed lines. Just want to make sure.
Old 10-19-2020, 12:23 AM
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Unless you did a lot of bending they will only go back together the right way.

Do you have a factory service manual for your truck?
Old 10-20-2020, 01:37 PM
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I have a 24V in running condition. I'm southern California. San Bernardino area. Would give you a good deal, call me 909-952-1037
Old 10-20-2020, 03:16 PM
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I'd suggest taking a good look at what you have now (after ruining it)

Cummins parts are quite cheap, rebuild it to last another half or whole million miles- or buy some old engine of questionable history and plug it in there- your money, you take your chances.
Old 10-30-2020, 01:53 PM
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OK I'm all back together and about to start up. I have a lift pump on my truck. Can I use it to bleed the fuel system all the way to the injectors? Will the injection pump allow the fuel through?
Old 10-30-2020, 04:57 PM
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The LP will only bleed up to the injection pump.
Then you turn the engine over with the starter with all 6 injection lines open (transfer tubes on the head backed out about one turn)
When you see fuel at the first line tighten it. Repeat for the other lines. Engine will "start" and run rough after the 3rd line, let it sputter for some seconds, turn off, tighten all lines, start engine and let it idle until it smoothes out. (about a minute)
Never let the starter turn the engine for more than 30 seconds, let it cool down for 5 minutes.
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