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Topic Review (Newest First)
02-22-2012 08:33 PM
Panther57 I have the ticking in my '04 X ... once temp gauge hits 1/4 mark it stops. A mechanic friend says its the metal gasket near the exhaust manifold -- once the gasket warms up and expands, the ticking noise stops. I've learned to ignore it ... AND I LOVE MY WRANGLER!
02-22-2012 10:14 AM
lockdjp Mine ticks but i think it's an exhaust leak, i will find out this weekend. only 90,000 miles on my 4.0
02-19-2011 08:55 PM
jp2611 Mine used to tick-a retired mechanic thought dirty oil/lifter/crankcase. Flushed the crankcase-switched to full synthetic and Lucas oil stabilizer. Also switched to Wix filter, that was about 8-9 thousand miles ago-and 2 oil changes-no more tick-course winter time maybe why can't hear it but don't think so-used to hear it in the garage.
02-19-2011 08:48 PM
Effisimo My 05 wrangler ticks until it is warm. When I accelerate the ticks speed up as well. Its been doing it for 40k miles now.
02-19-2011 09:06 AM
chutta There is some discussion on that this is due to low zinc oils mandated by the EPA. The 4.0 is of an older flat tappet(lifter) design that should have the old type of oil. The additive is called ZDDP and still can be found in Valvoline VR1 racing oil and some others.
It came up in discussion in relation to the OPDA failures of 05/6 wranglers.
02-18-2011 02:59 PM
havoc64 I got a fix for the ticking, take the doors off, the top off and crank the stereo up to 11...
02-18-2011 01:55 AM
jeepr I had a tick, but it went away after I tightened my manifold.....
02-17-2011 09:48 PM
tuko Same here 02 122,000 has a nice rhythm.
02-17-2011 08:03 PM
just4fun Tick tock 4 more hours of school
02-17-2011 07:13 PM
Durajeep had a 94 cherokee with 161k never made a sound bought an 03 tj and it ticks ill take the tick for all the fun they are.
02-17-2011 07:06 PM
oIIIIIIo Mine tick also...reminds me of elementary school's wall clock. Dang...that is 30 years ago.
02-17-2011 07:01 PM
just4fun My 96 xj with a 195 k on it don't make a sound. Maybe its the rebuilt head or I haven't noticed
02-17-2011 06:37 PM
TjFee Just be glad its not a piston slap like my buddies cherokee has..

but yea

03 X
Got a Tic..
02-17-2011 06:33 PM
Chuck_wccr Mine also ticks.

03 sport 72k miles
02-17-2011 06:06 PM
99white4.0 Mine ticks! Doesn't bother me
02-17-2011 05:46 PM
03Ruth Mine does the same ticking untill it warms up. I thought I had an exhaust leak but come to find out it was a hole in my muffler that was making all that noise. Replaced the muffler with a banks monster and now I couldnt hear the sound over the new exhaust even it it was still ticking!
02-17-2011 05:19 PM
uf20wop i have it too... very slight, at first i was concerned but i'm pretty sure it's just normal valvetrain/injector noise

not worried about it anymore
02-17-2011 05:12 PM
just4fun It keeps me awake
02-17-2011 05:00 PM
kjeeper10 Talking about the load lifter tick that 95% of all jeeps have. The 4.0 is a very noisy engine that will last forever : )

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02-17-2011 04:57 PM
just4fun It stays the same all the time so no worrys here
02-17-2011 04:54 PM
Originally Posted by just4fun
My 98 ticks and it has been for years. I've been told its the fuel injectors that's doin it
Ya they do, very min though.

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02-17-2011 04:51 PM
MLaborde Mine ticks, I guess. It sounds more like a fast puff puff puff, kind of like a hole in the muffler. It doesn't do it when i rev the engine at idle, just when driving.

Is this what you hear?
02-17-2011 04:49 PM
just4fun My 98 ticks and it has been for years. I've been told its the fuel injectors that's doin it
02-17-2011 04:39 PM
kjeeper10 Ticks till warm 160,000 miles.. mobile 1 high mileage and some MMO, helped a bunch. It used to sound like a f*****g diesel engine before I changed to this combo.

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02-17-2011 04:35 PM
5speedTJ my 2000 tj 6cyl ticks at idle, everyone I know with a 4.0 has a ticking problem
02-14-2011 02:15 PM
TJ922 My 2001 TJ Sport has a light ticking. It had it before replacing the exhaust, and it still has it. I assume that it is lifters. She carries about 30Lbs of oil pressure at idle, and 45-50 on the road, so I am not worrying about it, I'll just turn the stereo up a little.

There are a lot of guys on here with more knowledge than I have. Youi might want to hear what they say.
02-14-2011 02:01 PM

How many jeeps are out there that tick? My 05 6 cylinder has had a slight tick since I got it sounds like an exhaust leak I can't figure it out. I just wanted to see if this truly is just a jeep thing.

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