I think my lifters are bad... again... at 2500 miles - JeepForum.com
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Unread 12-01-2010, 09:46 PM   #1
Dronac
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2008 JK Wrangler 
 
Join Date: Oct 2009
Location: Charlotte, NC
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I think my lifters are bad... again... at 2500 miles

Back in early October, I got my Jeep back from the dealership. I had just gotten a new shortblock, headgasket, and lifters. At almost 500 miles, I thought I heard the lifter tick coming back, but played it off as myself hearing things. Now, at 2500 miles, it is ticking like mad on cold starts (Not a filter issue) and backs off a bit, but stays consistent, at all driving temps and conditions.

How in the world do lifters (I think it's lifters) start making a racket in only 2500 miles? Exams are coming up, so I'll be waiting a few weeks before I take it in.

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2008 Jeep JK X: auto trans, 3.73 gears, D44 rear, D30 front
Mods: 2'' Rusty's coil lift, Superchips 93 octane tune, Cobra 75 CB radio, 33'' Duratrac's, onboard air compressor
My Build Thread! ---> http://www.jeepforum.com/forum/f96/dronacs-build-thread-1104134/
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Unread 12-01-2010, 10:25 PM   #2
PlatinumNiner
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Id be pissed if i was you. Look into lemon laws. A new motor already and problems with that new motor? Not cool
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Unread 12-02-2010, 05:29 AM   #3
Dronac
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I'm not sure if a lemon law would even help me if I could claim it. On top of the $2500 in mods I would lose, the Jeep is completely paid for and I doubt any dealer would just trade keys for me and let that be it.
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2008 Jeep JK X: auto trans, 3.73 gears, D44 rear, D30 front
Mods: 2'' Rusty's coil lift, Superchips 93 octane tune, Cobra 75 CB radio, 33'' Duratrac's, onboard air compressor
My Build Thread! ---> http://www.jeepforum.com/forum/f96/dronacs-build-thread-1104134/
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Unread 12-02-2010, 05:34 AM   #4
cadencedad
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when my manifold cracked it sounded alot like ticking at certain speeds. iF it keeps frying your lifters it could be bad cam
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Unread 12-02-2010, 09:21 AM   #5
akabigjoe
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2013 JK Wrangler 
 
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Hows your oil pressure? Is your engine temp running hotter? If your getting alot of valvetrain noise or lifter noise I would look into the oil pump. You shouldn't have lifter noise if these were just replaced.
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Unread 12-02-2010, 09:43 AM   #6
jstrubberg
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I wouldn't look into anything other than dropping it back off at the dealer.
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Unread 12-02-2010, 11:16 AM   #7
PlatinumNiner
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Yup dont touch it. If you do they can try and void your warranty. Bring it right back to them
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Unread 12-02-2010, 11:29 AM   #8
catang5oh
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Mine turned out to be an exhaust leak, loud when cold and as it warmed up it got quieter. Busted exhaust loose at header and snugged back up and went away
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Unread 12-02-2010, 11:29 AM   #9
Dronac
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Quote:
Originally Posted by akabigjoe View Post
Hows your oil pressure? Is your engine temp running hotter? If your getting alot of valvetrain noise or lifter noise I would look into the oil pump. You shouldn't have lifter noise if these were just replaced.
I'm not sure I can check oil pressure since we don't have a gauge for it. If there is a way (without buying new tools) let me know. The oil level is right at the max line. The oil pump should be new as well along with the cam. AFAIK, short blocks are pre assembled, and the oil pump is located behind the timing chain.

I'm running dyno oil (for break in) Pennzoil 5w-20 right now. I did notice the noise get louder after I changed the break in oil at 500 miles. The dealer filled it with 5w-30. I don't know if that damaged anything during the break in, but the engine was defiantly quieter with 5w-30. The difference was so bad, I almost dumped the new oil to pour in some 5w-30 I had in the garage, but held off in case I had to warranty something. I'll probably stick to 5w-30 after all this.
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2008 Jeep JK X: auto trans, 3.73 gears, D44 rear, D30 front
Mods: 2'' Rusty's coil lift, Superchips 93 octane tune, Cobra 75 CB radio, 33'' Duratrac's, onboard air compressor
My Build Thread! ---> http://www.jeepforum.com/forum/f96/dronacs-build-thread-1104134/
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Unread 12-02-2010, 11:33 AM   #10
PlatinumNiner
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What oil does the jeep call for? Whatever that is, is the same thing you use every time from day one doesnt matter if it's brand new or not. Todays cars come broken in no need to worry about any of that.
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Unread 12-02-2010, 11:36 AM   #11
Dronac
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The JK calls for 5w-20.
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2008 Jeep JK X: auto trans, 3.73 gears, D44 rear, D30 front
Mods: 2'' Rusty's coil lift, Superchips 93 octane tune, Cobra 75 CB radio, 33'' Duratrac's, onboard air compressor
My Build Thread! ---> http://www.jeepforum.com/forum/f96/dronacs-build-thread-1104134/
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Unread 12-02-2010, 11:47 AM   #12
PlatinumNiner
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1998 ZJ 
 
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Id run that from the first to last day then. If it calls for it and you bring it in with 5-30 and they decide to test it, they can void your warranty. Dealers do everything they possibly can to get out of having to warranty anything. They suck!
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