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Old 03-01-2012, 08:05 PM   #61
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Originally Posted by floridajpr View Post
Thats what I am doing right now! 4.6L Stroker because of OPDA problem with my 2005 LJ.
I am getting my Jeep out of the shop tomorrow and I found out that my Stroker is a 4.7L instead of the 4.6L that I originally thought my mechanic is rebuilding my motor with. I will start the 500 mile break-in tomorrow afternoon.

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Old 03-01-2012, 09:04 PM   #62
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Originally Posted by floridajpr

I am getting my Jeep out of the shop tomorrow and I found out that my Stroker is a 4.7L instead of the 4.6L that I originally thought my mechanic is rebuilding my motor with. I will start the 500 mile break-in tomorrow afternoon.
Congratulations.

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Old 03-03-2012, 03:15 PM   #63
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Bought my 05 rubi new in Oct. 04. Have 25,000 on it now. Be taking it out of winter storage in April for EJS in Moab. Haven't pulled the OPDA yet. I bought a new one this winter to carry in the jeep for now. Down the road I'll pull it and check it. Will probably put an oil cup mod on either the old or new one depending on what I see. I only put about 2,000 miles a year on it any more, all wheeling. I like the guy on this thread that wondered about a roller bearing, might have some merit.

On the other hand, will I ever have a problem with it, with the low miles I use it at my age, (76). Wife and I, she's 73, jeep to some pretty remote areas in Utah, Nevada and Colorado by ourselves. I was looking at a Spot beacon just incase I screw up bad enough to not be able to get the jeep out of a brain fart. The good old Ramsey has saved our bacon three or four times, of course if you don't have a winch, you most likely would not have tried what you did. Maybe my son's will get to worry about the OPDA. My son's and I have owned an auto and truck repair business for over 40 years so I can repair most of what might happen to the jeep, if I have the parts or can cobble something together to get out. I feel the OPDA problem needs to be resolved, but don't feel it is a major problem. I remember seeing several 05/06 with well over a 100,000 with no problems. I see a lot for sale that are close to 80,000 to 100,000, you have to wonder how many have had the OPDA problem, if any.
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Old 03-08-2012, 06:41 PM   #64
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My TJ with 50,000 miles just had the OPDA go bad. I talked to Chrysler, not too optimistic that they will do much, claim mine was not in the recall or VIN range to be fixed. I do not have the facilities or know how to fix myself. Options: dealer or private shop. At 50K should I go for the stroker motor? (Seattle area) thanks
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Old 03-13-2012, 08:58 PM   #65
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My TJ with 50,000 miles just had the OPDA go bad. I talked to Chrysler, not too optimistic that they will do much, claim mine was not in the recall or VIN range to be fixed. I do not have the facilities or know how to fix myself. Options: dealer or private shop. At 50K should I go for the stroker motor? (Seattle area) thanks
I would talk to the dealer again as you should have a 7 year/70,000 mile warranty and they should replace the OPDA. I have heard that sometimes you have to call Chrysler to report the problem and they usually call you back and give you and the dealership the OK to fix. I heard the dealership will charge you a couple hundred dollars for the work.

If you have the money do the stroker!
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Old 03-13-2012, 09:21 PM   #66
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Feeling stupid here but what is ODPA? I have an 06 but no clue what is being discussed here?
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Old 03-13-2012, 09:29 PM   #67
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^^^ oil pump gears if im not mistaken
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Old 03-13-2012, 09:35 PM   #68
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Ok cool thanx.
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Old 03-13-2012, 11:05 PM   #69
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Feeling stupid here but what is ODPA? I have an 06 but no clue what is being discussed here?
It's the Oil Pump Drive Assembly, OPDA, it goes into the same place in the engine block that the distributor used to go. (Passenger side mid-block)
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Old 03-13-2012, 11:30 PM   #70
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At 71k, mine is showing definite signs of wear and I'll be replacing it soon. It seems to be a manageable problem though...IF you are aware of it.

Keith
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Old 03-14-2012, 10:31 AM   #71
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I have around 100k on my 06 right now and don't think anything has been done about this. What symptoms comes with the problem? As of yesterday when I did a live data read on the Jeep with the scanner the only issue I see is that my o2 sensor is on its way out. If this is a common issue i would like to catch it right away.
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Old 03-15-2012, 12:41 PM   #72
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Sometimes you get the "laughing monkey" squeal on cold start ups but other times no warning. Don't believe it? go to this link 2005-06 Jeep OPDA_CPS_Distributor Failure - Page 189 - JeepForum.com
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Old 03-15-2012, 01:09 PM   #73
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so was this all 05 06 4.0Ls? was it something that was part of a recall? i have 77k miles and just want to know if its something thats on the horizon or was something that wasnt involving all the 06s
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Old 03-15-2012, 01:15 PM   #74
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When i sold mine a month ago with 70000 miles, no problems.
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Old 03-16-2012, 01:34 PM   #75
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I have noticed a ticking from under the hood. I ruled out all traditional nocking issues, my oil presure has been a little higher then i like. Could this be a sign? About what is the repair cost doing it your self?
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Old 03-26-2012, 08:25 PM   #76
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2 05's a TJ and a LJ, 76 and 106K respectively. No wear on either. 4.0 always seem to have high oil pressure from my experience. Did Chrysler ever fix this issue with a new OPDA?
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Old 03-26-2012, 09:27 PM   #77
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No!
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Old 05-14-2012, 06:33 PM   #78
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My mechanic checked my 2005 Jeep TJ's OPDA at 58,000 km (Canada) & it had abnormal wear, so replaced it with new but customized OPDA.
The upper end/top bushing can't get any lube due to the oil seal being beneath the bushing. Just a matter of time & I wasn't going to take a chance, so called in my son-in-law & his father for the cure/fix. OPDA was taken to an elderly machinist who did an excellent job of the customizing!
- The custom upgrade included machining the casing to insert a larger brass bushing for the sealed bearing to fit into & then another small brass bushing to fit inside the sealed bearing to allow a proper fit for the shaft to slip through - working great so far & oil pressure is up.
Also added 10W40 Amsoil high zinc oil, which also helped the oil pressure & protection for the hot running 4lt / in line 6cyl motor.
Now much more relaxed when driving my Jeep!

Please email me for pictures & video explaining the procedure.

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Old 05-14-2012, 07:43 PM   #79
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Sorry I couldn't load the pictures of Customized OPDA so please see website:

Check out my website & look on the last page called "JEEP" for pictures & info.
www.bentleycycle.net
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Old 05-14-2012, 10:18 PM   #80
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Originally Posted by RUBI 4 MY MRS
No!
Haha Rubi.. Same stuff different day huh
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Old 05-14-2012, 10:22 PM   #81
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Click image for larger version

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My final mod.. Abnormal wear on my original and had 44000.. Cam gear worn slightly but did not replace cam gear
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Old 05-14-2012, 11:45 PM   #82
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I might be buying an 06 LJ with 103,000 miles on it. Can I be pretty confident I won't have this problem?
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Old 05-15-2012, 12:14 AM   #83
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Just re re-ask a question i saw posted, is this an 06 2.4L problem, if so id like to know as i have my transmission and transfer case out right now, and would like to do any engine work before i reinstall. Thank you in advance!
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Old 05-15-2012, 12:21 PM   #84
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Just re re-ask a question i saw posted, is this an 06 2.4L problem, if so id like to know as i have my transmission and transfer case out right now, and would like to do any engine work before i reinstall. Thank you in advance!
4.0 6 cyl.
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Old 05-28-2012, 11:36 AM   #85
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I'm going to pull mine and check/lube it today. Is there a certain lube I should use and which bearing/part of the shaft should I concentrate on? I have some marine grade grease that I used on my slip yoke...I also have a jar of knickel anti-seize floating around.
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Old 05-28-2012, 01:26 PM   #86
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So yea I pulled mine a few minutes ago and at 57k there's a lot of wear...i'm going to replace it as soon as I can. I ended up putting a light coat of marine grease on the OPDA to cam gear. I don't think it'll help put you never know and it's a light enough coat that there shouldn't be any probs. A few pics..



Wear on OPDA gear



Wear on cam gear...could this cause my low and rough idle?



The seal under the target wheel seems to be getting lubed with oil but it's hard to tell in tyhe pic. The shaft spins easily but the wear worries me.
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Old 05-28-2012, 05:21 PM   #87
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Post up a pic of the shaft itself, that is where I had issues.

My new/modded OPDA cured my rough idle issue.
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Old 05-28-2012, 10:14 PM   #88
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Does that roll pin just punch out? I didn't remove the target wheel because I wasn't sure it the pin was reuseable.
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Old 05-28-2012, 11:25 PM   #89
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Punch the pin out & slide the gear off & the shaft comes right out. At least lube the shaft & top bushing with some oil if putting it back in for now. WHATEVER YOU DO, MARK THE GEAR POSITION. IT MAY LOOK LIKE IT GOES BACK ON EITHER WAY BUT THE HOLE IS SLIGHTLY OFF CENTER & IF YOU TAP THE PIN BACK IN IN THE WRONG POSITION IT WILL BREAK THE GEAR EASIER THAN YOU MIGHT THINK!!!!!!!!!! If you already have it off without marking just know it has to line up exactly & if you try it both ways it will be obvious which way it goes.
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Old 05-29-2012, 10:59 AM   #90
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right on..thanks

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