has anyone with an 06 not have opda problems? - Page 2 - Jeep Wrangler Forum
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Old 02-13-2012, 11:21 AM   #31
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Has crown released their opda?

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Old 02-13-2012, 11:24 AM   #32
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Just how does one go about checking this, Bad boy out....

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Old 02-13-2012, 11:31 AM   #33
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Quote:
Originally Posted by Leslee
Just how does one go about checking this, Bad boy out....
How do we check it?
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Old 02-13-2012, 11:36 AM   #34
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So assuming we check and there is wear, should what part should we keep so we can "fix it"...can I keep a spare assembly around( how much is it), should I just change mine out...this problem freaks me out to be honest.
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Old 02-13-2012, 03:31 PM   #35
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I'm right with you on that one. I heard a year ago that crown was working on a better replacement.
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Old 02-13-2012, 03:47 PM   #36
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Thanks zdragon
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Old 02-13-2012, 03:56 PM   #37
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Where is the cheapest place to buy one?
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Old 02-13-2012, 04:07 PM   #38
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got a 06 with 37k, notting yet !
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Old 02-13-2012, 04:48 PM   #39
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What i mean by Checking this bad boy out was, how does it come apart from the engine? is it a hard thing to do? can the regular joe handle this?
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Old 02-13-2012, 05:21 PM   #40
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I dont have the link to post (there have been several write ups) but its a bolt on. However you need to be very careful and mark it as you remove it because you need to replace it in the exact same position otherwise it will be out of sync
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Old 02-13-2012, 05:46 PM   #41
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Quote:
Originally Posted by jgorm

No point on checking! If it fails and destroys the engine its time for a stroker!
That's what I am waiting for. Maybe I'll have to help it along some how.
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Old 02-13-2012, 05:49 PM   #42
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Quote:
Originally Posted by Jp90Talon
I dont have the link to post (there have been several write ups) but its a bolt on. However you need to be very careful and mark it as you remove it because you need to replace it in the exact same position otherwise it will be out of sync
This ^^^^^
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Old 02-13-2012, 08:46 PM   #43
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Yes but if you check it and replace it. How do you align it properly? I just ordered one just in case.
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Old 02-14-2012, 05:40 AM   #44
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Yes but if you check it and replace it. How do you align it properly? I just ordered one just in case.

This is what I want to know...I have no issue with ordering one, probably will today and then when I pull it I will probably replace it..I have watched the video on how to take the old one out and put it back in but nothing states how to install a brand new unit....any input?
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Old 02-14-2012, 04:56 PM   #45
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Originally Posted by JustinCHorst View Post
This is what I want to know...I have no issue with ordering one, probably will today and then when I pull it I will probably replace it..I have watched the video on how to take the old one out and put it back in but nothing states how to install a brand new unit....any input?
I'll help ya out here.

When you get the NEW OPDA it's going to have a plastic pin retainer holding the cam sensor tone ring to keep it from turning. It will be held in the cylinder 1 TDC compression position. Before you remove your old OPDA:

1. Remove the top cover from the OLD OPDA with it still in your Jeep's engine. There are two torx screws holding it on. You will notice that the Cam Sensor Tone Ring has a small hole in the top of it. There is also a small hole in the OPDA housing on the bottom side. On your NEW OPDA with the top cover removed you will notice the plastic retainer holding it in position.

2. Using a large wrench or socket turn the crankshaft/harmonic balancer by hand until the two small holes line up on your Jeep's OLD OPDA.

3. Take the plastic retainer from the NEW OPDA and put it in the two small holes on the OLD OPDA while it's still in your Jeep's engine. I did this just to make sure they are absolutely lined up perfect.

4. Unhook the wiring harness going to the cam sensor and remove the hold down bolt holding the OPDA to the engine block. Make sure you get a new OPDA gasket when you replace or remove your OPDA. (MAKE SURE THE ENGINE DOES NOT CRANK OVER!!!) Unhook the battery for safety anyway.

5. Remove the OLD OPDA from the engine block.

6. Remove the plastic retainer from your old OPDA once it's removed from the engine block and put it back into the NEW OPDA to line it up.

7. Carefully install the NEW OPDA into the engine block with the new gasket (did you put the plastic retainer back in the NEW OPDA? Just checking ). If it doesn't seat all the way down into the hole it most likely means your oil pump is not lined up with the bottom of the OPDA shaft. Use a long handled flat screwdriver through the OPDA hole to turn the oil pump to line it up. It may take a few tries but you'll get it.

8. Reinsert the OPDA hold down plate and bolt. Make sure it is torqued properly or very close to what it was originally.

9. Once you're sure the New OPDA housing isn't going anywhere and it is back into it's proper spot and held down to the engine block again, remove the plastic retainer from the cam sensor tone ring.

10. Install the cover and two torx screws and connect the new cam sensor to the wiring harness.

It should fire up if you did everything properly.
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Old 02-14-2012, 05:00 PM   #46
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Great write up, Thank You.
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Old 02-14-2012, 05:28 PM   #47
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I forgot to mention too that I used an engine assembly lube/grease made specifically for engine reassembly and gears on the OPDA gear so it didn't start out dry.
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Old 02-15-2012, 05:15 PM   #48
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Ok, I just pulled my OPDA to check. The shaft spins freely, with no evidence of internal seal or bearing failure. However, there is excessive (in my professional opinion) wear on the gear. The cam gear looks fine at this time (as much of it as I can see without turning the engine over). I've changed my oil every 2500 to 3000 miles since new (conventional oil with Shaeffers Moly additive). Now at 33 k miles. Engine build date, Feb. 09 2006. Vehicle production date, 3/06. I'm having our parts manager check on a new one tomorrow.
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Old 02-16-2012, 08:51 AM   #49
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Mine just started making noises yesterday. I'm parking it until I can figure out a solution.
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Old 02-16-2012, 05:00 PM   #50
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I ordered a new one from the dealer, $130 or so. They indicate that it's a known weakness, but no updated part # has be released (yet/ if ever).

I haven't seen an aftermarket solution yet either.

If yours is making noise, swap it out immediately.
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Old 02-17-2012, 12:04 AM   #51
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It is all explained here. http://www.jeepforum.com/forum/f9/20...ilure-1144202/ It is a long thread but the first page has all the info. If just the gear is bad Crown makes one for the earlier distributor types that will work with very minor modification. The part # is 83504635. Can't get directly from Crown but I got mine at 4 Wheel Parts. $22.

Here is my solution 2005-06 Jeep OPDA_CPS_Distributor Failure - Page 125 - JeepForum.com

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Old 02-24-2012, 12:01 AM   #52
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2005 Tj Sport, 4.0 lt / 6 cyl.
58,000 km.

Purchased 2.5 yrs ago with 34,500 km & then switched to Amsoil Synthetic Oil 10w30 summer & 5w30 winter. Also had diff's, trans case changed to synthetic oils too.

Daily driver, mainly on road, very minor off road use, very well maintained & cared for, some accessories.

Had my OPDA checked by my mechanic & the lower gear, cam & oil pump drive tip worn excessively for the low kms on the Jeep.

Mechanic recommended just replacing the oil pump drive gear & keeping an eye on it
( this mechanic is very good, he worked at the local Dodge/Jeep dealer for 5 years but he has had no experience with this OPDA Jeep Issue).

I have purchased a new OPDA from a Dodge/Jeep dealer but DO NOT want to have it installed till it has needed MODs or UPGRADES done to it. I have seen many of the older information on this Forum from last year & was wondering if anyone knows of a jobber upgraded or new improved version of the OPDA ( has Crown Automotive ended up making one - last year Rubicon2 - from Northern Lower Michigan - had mentioned that they might be attemping to make one).

HELP needed as I am not a mechanic or want my 2005 Jeep to end up with a blown motor.
Would appreciate good advise please.
Thanks,
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Old 02-24-2012, 12:07 AM   #53
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I actually had this problem on my 2003 wrangler too.
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Old 02-24-2012, 05:39 AM   #54
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Quote:
Originally Posted by jgorm View Post
No point on checking! If it fails and destroys the engine its time for a stroker!
Thats what I am doing right now! 4.6L Stroker because of OPDA problem with my 2005 LJ.
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Old 02-24-2012, 05:43 AM   #55
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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.
Also on a different note. My Jeep mechanic told me to use an oil with higher ZDDP in it as the oil companies lowered the ZDDP in their oils a few years back. I am now using Rottel diesel oil in my rig.
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Old 02-24-2012, 05:50 AM   #56
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Originally Posted by floridajpr View Post
Also on a different note. My Jeep mechanic told me to use an oil with higher ZDDP in it as the oil companies lowered the ZDDP in their oils a few years back. I am now using Rottel diesel oil in my rig.
Edit would not work. My LJ is a 2006 not 2005.
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Old 02-24-2012, 05:54 AM   #57
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I had to replace mine on my 05 with at ~67k miles. The gear was starting to wear and it threw a CEL

The best part is that this would have been covered under the 7 year/70k mile warranty if my Jeep weren't at 7 years and 2 months

FYI - I talked to Chrysler and these had 7 year/70k mile warranties for the first owner. The second owner had to pay $150 (or $250 I can't remember) to transfer the warranty and the third owner is sh*t out of luck
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Old 02-24-2012, 06:36 AM   #58
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So is this a problem with only the 4.0 because i just bought an 06 2.4 with 70k on it just wondering if this is something I should look into
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Old 02-24-2012, 05:04 PM   #59
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From what I read Bentley Jeeper Crown couldn't make a new one because of a standing patent on the current OPDA.
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Old 02-24-2012, 07:14 PM   #60
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Has anyone tried to put a roller bearing in place of the top bushing in the top of the OPDA - thus not having to be concerned about the lubrication problem.
Also I have been recommended to add either one of these 2 LUCAS Products
to my next oils change with my AMSOIL synthetic oil.

Any thoughts please?

LUCAS HEAVY DUTY OIL STABILIZER


TDSMSDS
A pure petroleum multi-use oil supplement. Controls noise, heat and wear in manual transmissions and differentials. Number one in the heavy duty and high performance industries.
Lucas Oil Stabilizer is a 100% petroleum product formulated to eliminate dry starts and reduce friction, heat and wear in any type of engine. It allows motor oils a higher degree of lubricity which reduces oil consumption and operating temperatures. Use Lucas Oil Stabilizer in gear oil to stop leaks, reduce operating temperatures and increase the life of the gear oil. Since it is pure petroleum, it can safely blend with all other automotive lubricants, even synthetics, ATF and mineral oil. It keeps old engines alive and new engines new.
In Ford Powerstrokes we suggest one quart of Pure Synthetic Oil Stabilizer per oil change.
Key Benefits
  • Increase oil life at least 50% longer
  • Reduces oil consumption
  • Eliminates dry starts
  • Raises oil pressure
  • Increases power and miles per gallon

(OR)

LUCAS SYNTHETIC OIL STABILIZER


TDSMSDS
Light enough for an import - Tough enough for a semi. Use in new equipment which requires synthetic oils or any equipment that needs enhanced performance. It can also be used to protect new and used Heavy Duty and High Performance transmissions, gear boxes and engines. Controls heat and wear in motorcycles, air-cooled engines and all drive train components. Reduces friction for increased power and MPG.
In Ford Powerstrokes we suggest one quart of Pure Synthetic Oil Stabilizer per oil change.
Key Benefits
  • Increase oil life by at least 50%
  • Reduces oil consumption
  • Eliminates dry starts
  • Raises oil pressure
  • Increases power and MPG
Thanks,
Grant

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