4.0 engine tick. New oil? - JeepForum.com
Search  
Sign Up   Today's Posts
User: Pass: Remember?
Advertise Here
Jeep Home Jeep Forum Jeep Classifieds Jeep Registry JeepSpace Jeep Reviews Jeep Gallery Jeep Clubs Jeep Groups Jeep Videos Jeep Events Jeep Articles
Go Back JeepForum.com > Models > Jeep Grand Cherokee & Commander Forums > ZJ Grand Cherokee Forum > 4.0 engine tick. New oil?

FS: Wranger BRIGHT License Plate LED! Just $3! Great valueECGS DOTW - $100 off Yukon 8.8 C-Clip Eliminator KitNitro Gear Packages Now Available at Rockridge 4wd

Reply
Unread 04-07-2013, 06:33 PM   #1
ROFLwaffles
Registered User
1998 ZJ 
 
Join Date: Mar 2013
Location: University Place, wa
Posts: 153
4.0 engine tick. New oil?

My 97 zj 4.0 has 198k miles on it. And has developed a bit of a tick. I have been told that this is actually quite normal for these I6 engines.

I live in Washington state, and our temps never really vary that much during winter or summer (not too hot, not too cold). I have been running a standard 5w-30 oil. But I am wondering, would it be better to run a 40w? Maybe a 10w-40? And are there significant advantages to a "high mileage" oil?

And if I do change the type, is there any particular additive I might want to try?

This stuff is all new to me. This is my first Jeep, and I welcome any advice you all may have.

ROFLwaffles is offline   Reply With Quote
Unread 04-07-2013, 08:24 PM   #2
zander21510
Lord of Retro Machines
 
zander21510's Avatar
1995 ZJ 
 
Join Date: Jun 2011
Location: Dallas, TX
Posts: 1,800
Quote:
Originally Posted by ROFLwaffles View Post
My 97 zj 4.0 has 198k miles on it. And has developed a bit of a tick. I have been told that this is actually quite normal for these I6 engines.

I live in Washington state, and our temps never really vary that much during winter or summer (not too hot, not too cold). I have been running a standard 5w-30 oil. But I am wondering, would it be better to run a 40w? Maybe a 10w-40? And are there significant advantages to a "high mileage" oil?

And if I do change the type, is there any particular additive I might want to try?

This stuff is all new to me. This is my first Jeep, and I welcome any advice you all may have.
Give 10w-40 a try. Older engines tend to benefit from a little higher-weight oil.

If your wallet can manage it, try Rotella T6 5w-40. It stopped my ticking completely, very good oil. WalMart has the best prices on it.
__________________
208K (5/26/14)
208k: 4/20/14; 207k: 2/6/14; 206k: 1/6/14;
2013: 197-205k; 2012: 191k-196k
My ZJ Injector Swap HowTo
zander21510 is offline   Reply With Quote
Unread 04-08-2013, 10:34 AM   #3
Pierre_r
Senior Member
 
Pierre_r's Avatar
1989 XJ Cherokee 
 
Join Date: Jul 2009
Location: Sweden
Posts: 534
I always run 15w-40 in my Jeeps and Chevy trucks all year.
And here the temps can go down to -30c in the winter and +35c in the summer.
Pierre_r is offline   Reply With Quote
Unread 04-08-2013, 10:46 AM   #4
SDHarleydad
Member
 
SDHarleydad's Avatar
1994 ZJ 
 
Join Date: Jun 2012
Location: Spring Valley, CA
Posts: 188
Im running 20/50 oil with Lucas. It quiets the noises. I'm in San Diego so temp is not an issue.
__________________
Casper
1994 JGC Laredo
SDHarleydad is offline   Reply With Quote
Unread 04-08-2013, 07:27 PM   #5
SINCITY192
Registered User
1994 ZJ 
 
Join Date: Mar 2012
Location: CHARLOTTE, nc
Posts: 190
For the ticking noise since you already have new oil in it I would add about a bottle of Marvel Mystery oil it works great if your ticking doesn't stop after adding that you probably have a valve seal issue, not really a hard job either but burning oil would be a good tell, tell, sign or white smoke from the tail pipe!
SINCITY192 is offline   Reply With Quote




Jeep, Wrangler, Cherokee, Grand Cherokee, and other models are copyrighted and trademarked to Jeep/Chrysler Corporation. JeepForum.com is not in any way associated with Jeep or the Chrysler Corp.