Anyone else have a ticking/nocking sound at startup?
JK Newbie
Joined: Mar 2011
Posts: 66
Likes: 0
From: Corning NY
Start it up
It only lasts for a second, but when I crank up my 3.8 JK, the engine almost sounds like it's dry and I can just hear this tick-tick-nock and it all smooths out within just a few cycles of the crank. anyone else notice this, or just me. The oil level is fine and I have no clue as to what it could be.
JK Junkie
Joined: Dec 2008
Posts: 2,191
Likes: 6
From: Boston, MA
Any bluish smoke coming out the back?
A cheap and easy first approach is to check (replace) your PCV valve. It's not a cure fore everyone but a stuck-open PCV valve can let a lot of oil get by.
JK Newbie
Joined: May 2012
Posts: 11
Likes: 0
From: Munjor, KS
Had this problem too, for the first 15K, and switched to mobil one and still had this problem. Then switched to mobil one oil filters and never had the tick, rattle or any cold startup noise again! You must run a good oil filter, and it schould cure this problem.
JK Super Freak
Joined: Mar 2010
Posts: 1,182
Likes: 0
From: Ontario Canada
Use the search function on this forum...."oil sucking 3.8" tons of info there. 2 liters in 2 weeks sounds like too much to me. Start a oil consumption test with your dealer...hope u still have power train warranty. Best if luck
