Spun a rod bearing....

perley03 · 04-20-2007, 07:55 PM

Well last night I was coming home from work and I noticed this knocking noise when I pulled into the driveway. I shut it off and came on here and searched for a bit and thought it was lifter tick. So today I went and bought 10-40w oil and a new filter and put that in, and it quited it down, for a bit. I drove to work and coming home it got louder and louder. I called a friend (mechanic) and he came over and listened to it and it's definatly rod knock. We pulled the plug wires one at a time and #2 is the culprit. $53 for new bearings (I ordered standard and +.010") and tomorrow we are going to tear into it at his shop and find out what is wrong. I hope that I can just fix this the easy way, as I'm broke (as usual) and have no money for a replacement engine.
By the way, the engine has 153,xxx miles, and has good oil pressure (above 60psi), and today when I drained the oil there was no shavings in the oil (weird). Has anyone ever had this problem on their 2.5L??

Sbeltinc · 04-21-2007, 06:09 AM

I bought a 99 TJ with the 2.5 and the #3 piston had exited out the side of the block @ 88k miles. Rod and pin where still attached to the crank though and it ran :-)

Replacing the bearing on a rod that already spun one is a bit risky IMHO but I too would try it if on a budget.

wcurleyq · 04-21-2007, 08:08 AM

The crank will need to be turned. so, there went the budget repair.

TJ_Firefighter · 04-21-2007, 09:51 AM

yep.....there's not reallya cheap fix for anything in that area

littleman66 · 04-21-2007, 10:20 AM

now would be the time of thinking about doing 4.7 stroker

just a thought

edit: never knew it was a 2.5. sorry

04-21-2007, 09:51 AM	#4
TJ_Firefighter Registered User Join Date: Aug 2005 Location: Pineville, LA Posts: 568 Profile Gallery Classifieds My Jeeps iTrader Rating	yep.....there's not reallya cheap fix for anything in that area __________________ 1999 TJ 4.0L 2" BB 2"BL, ProComp Adj. Front Track-bar, SkyJacker Hydro 7000 shocks 33x12.50 Dunlop RV Kahki Jeep Club Member #42 U.S.C.G. Jeep Club Member #1 Firefighting Jeep #2 Soon to come: HomeFab Rockers

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04-21-2007, 06:09 AM	#2
Sbeltinc Registered User Join Date: Sep 2006 Location: Denver Posts: 86 Profile Gallery Classifieds My Jeeps iTrader Rating	I bought a 99 TJ with the 2.5 and the #3 piston had exited out the side of the block @ 88k miles. Rod and pin where still attached to the crank though and it ran :-) Replacing the bearing on a rod that already spun one is a bit risky IMHO but I too would try it if on a budget. __________________ My used TJ parts for sale at: http://roadracing.20m.com/photo_1.html

04-21-2007, 08:08 AM	#3
wcurleyq Registered User Join Date: May 2006 Location: Douglasville Ga Posts: 345 Profile Gallery Classifieds My Jeeps iTrader Rating	The crank will need to be turned. so, there went the budget repair. __________________ 06 TJ / 4ltr / Auto / 4" Rough Country X / 5 33x12.5x15 M/T Baja MTZ / AA SYE / Tom Woods Shaft / Herculined Tub / Hand Throttle / OBA / AntiRock / Rusty's Crossover Steering / Rock Hard Bumper Carrier / Cheap high-lift jack / Fire Ext / CB