Novak Conversions Jeep Wrangler TJ radiator

Noisy Lifter Help

Summer is coming. I'd make sure my cooling system is right. But if there's no leak and that's not an area that holds water, you're probably fine. Anyone care to chime in?


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Man I wasn't expecting an overwhelming "yes change that out"! So that crack looks pretty bad from ya'll's experiences?

It does look bad. But I feel like if it was truly an issue, haha it would have been leaking by now!

Regardless though, yes a change is in order. I already have a new:

• Thermostat
• Thermostat gasket

And I'm not sure what else I need. My hoses really seem fine? You know at what point do I draw the line on replacing bits and pieces?

Thank you for ya'll's help!


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It'll leak on you at the least opportune moment, like when you are on a 1000 mile trip to Moab and your radiator starts leaking half way there in the desert of Nevada.
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And you have to do this to make it the rest of the way...
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I have an old 70 Chevy pickup that I parked because of a lifter ticking. It set for nearly 3 years because I never seemed to have time to tear into the engine. Well I needed the truck, so I got it running again. Still had the tick of course. Took to a redneck friend of mine to see what he thought. He set there an listened a few minutes, then went and found a piece of garden hose, about 2 ft long. Started listening through it while running one end over the valve covers. Then he looked at me and laughed. Said it's not a lifter, told me to go and buy some new exhaust manifold gaskets. It's amazing how an exhaust leak can sound like a lifter ticking!!
 
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As far as the radiator, I would change it! My radiator had an inch stress crack, never seen any liquid, but could smell antifreeze. Went to work one morning and didn't make it! It blew open and had antifreeze everywhere! It didn't look nowhere near as bad as yours!!
 
As far as the radiator, I would change it! My radiator had an inch stress crack, never seen any liquid, but could smell antifreeze. Went to work one morning and didn't make it! It blew open and had antifreeze everywhere! It didn't look nowhere near as bad as yours!!

Man, shit, any my coolant reservoir has been mysteriously lower than the last time I filled it up...

Haha ya'll have me scared now! I'll be replacing it, probably with a new exhaust manifold too. This is what it sounded like this morning:

https://photos.google.com/share/AF1...?key=NW0xRkdWQ2RJZjA4LTl3VkdnT0V3eXdwcUZZRGl3

I asked a fellow colleague, who is an ASE mechanic, and he also said it sounded like an exhaust leak..
 
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If you replace the exhaust gasket yourself, please post up any pointers and maybe some pics if you have time. Looks like I'm going to be doing this also.
 
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Several years ago, my neighbor had a really bad ticking in his amc eagle, we were almost ready to rebuild it, talked to an old mechanic who had lots of experience with the straight six amc engines, he recommended before taking it apart to run the engine on high idle and then pour rislone into the carb until it kills the engine, let it set for about 1/2 an hour, then start it back, the ticking went away completely, wound up being a carbon knock and no a lifter at all. He also said you could do the same thing with water, just not on too hot of an engine. I was completely shocked that it wasn't something much more serious.
 
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I've had a similar tick. I've tried Marvel, lifter free, and high mileage oil. Nothing helped. I finally decided to try something out of the box. Spent a week driving the jeep like I stole it. 4500 rpms getting on freeway on ramps, just plain drove it hard for a solid week. Gas mileage took a hit, but tick went away and stayed away. Yes, unconventional, but I was at my wits end, and figured if it's gonna blow, at least then I'd have a good excuse to spend all that time and $$$ to tear it apart.
Guess thats what they mean when they say drive it fast to blow the carbon out of it lol
 
If you replace the exhaust gasket yourself, please post up any pointers and maybe some pics if you have time. Looks like I'm going to be doing this also.

Several years ago, my neighbor had a really bad ticking in his amc eagle, we were almost ready to rebuild it, talked to an old mechanic who had lots of experience with the straight six amc engines, he recommended before taking it apart to run the engine on high idle and then pour rislone into the carb until it kills the engine, let it set for about 1/2 an hour, then start it back, the ticking went away completely, wound up being a carbon knock and no a lifter at all. He also said you could do the same thing with water, just not on too hot of an engine. I was completely shocked that it wasn't something much more serious.

I am indeed going to replace the gasket at the very least; i'm tempted to order a brand new exhaust header too and just replace it while I am under the hood. Will definitely post a write up once I do this!

However...I CANNOT for the life of me find a normal OEM style 2002 exhaust header that is not $600. All of the ones that I find are $200 and chrome or cheap shit. Any ideas?

Thank ya'll for the help!
 
The 1999 and up had two-peice cast iron exhaust headers. Like those shown in this Cherokee forum post.
You can find them for a bit under $200 a piece so it'd be nice to know which (if any) were the problem before you ordered.

P.S. You can get after-market one piece units like the Gale Banks Engineering 51306 TorqueTubes® but they're like $500.
 
Novak Conversions Jeep Wrangler TJ radiator