2005-06 Jeep OPDA_CPS_Distributor Failure - Page 141 - JeepForum.com

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post #2101 of 5448 Old 09-17-2011, 12:41 PM
blueshot
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New ODPA Unit

Hi All,

I have a new, unused, OPDA for sale. I ordered it as a backup but sold the Jeep before I needed it. Part number on unit is 53010624AC. I've been informed that these are going cheap now, so make me an offer. If you're interested send me a PM. This unit is not modded in any way. I know I should have posted this to the classifieds section but I couldn't, for the life of me, figure out how.

Thanks and I hope this helps someone.


Last edited by blueshot; 09-17-2011 at 02:12 PM.
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post #2102 of 5448 Old 09-17-2011, 01:13 PM
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Good luck with that sale being that you can buy a new one for a little over $100.

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post #2103 of 5448 Old 09-17-2011, 02:04 PM
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Quote:
Originally Posted by blueshot View Post
Hi All,

I have a new, unused, OPDA for sale. I ordered it as a backup but sold the Jeep before I needed it. I paid $275.00 for it so I need to get that plus shipping (let's call it $10 anywhere in the US via UPS). Part number on unit is 53010624AC. If you're interested send me a PM. This unit is not modded in any way. I know I should have posted this to the classifieds section but I couldn't, for the life of me, figure out how.

Thanks and I hope this helps someone.

http://dodge-wholesale.com/catalog/a...0624AC&x=6&y=6

New:
$120.75 + shipping.

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post #2104 of 5448 Old 09-18-2011, 05:13 AM
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He's sold the Jeep but it's still making him pay....hahahahah love it
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post #2105 of 5448 Old 09-19-2011, 04:56 PM
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I have no symptoms with 56k on my 05, but decided to stop ignoring it and pull my ODPA today.

Here is what the gear looked like.

I spun the shaft and it spun free with no resistance. It was starting to get rainy and I didn't get a chance to shine a light and look down on the cam gear.
Is this wear worrysome? Should I do something about it?
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post #2106 of 5448 Old 09-19-2011, 08:09 PM
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Looks about how mine did. I put the Fog mod on mine and called it good. It's honestly hard to tell from that one shot... were the the teeth coming to a harsh edge, did it seem almost sharp? If you aren't having symtoms I say just mod it (or not) and keep running it.
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post #2107 of 5448 Old 09-19-2011, 08:21 PM
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No the teeth weren't really coming to a harsh edge. Just a little wear showing.
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post #2108 of 5448 Old 09-19-2011, 08:24 PM
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Rest easy and don't let this thread freak you out. You can Fogmod (or not) and just check it every so often. If it gets worse consider throwing in a new opda because it's probably the tolerances on the upper bushing on their way out.
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post #2109 of 5448 Old 09-19-2011, 09:04 PM
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Quote:
Originally Posted by footypaul
I have no symptoms with 56k on my 05, but decided to stop ignoring it and pull my ODPA today.

Here is what the gear looked like.

I spun the shaft and it spun free with no resistance. It was starting to get rainy and I didn't get a chance to shine a light and look down on the cam gear.
Is this wear worrysome? Should I do something about it?
It looks pretty worn. You'll probably hear at least an opinion or two that says "replace it" or "get a crown gear", but I'm of the minority that says FOGmod the existing unit and run it with the original gear. I think that a new gear against your (certainly worn) original cam gear is asking for accelerated wear.

That opinion aside, the wear on that gear makes me worry about the current condition of your cam gear. My best guess is that your cam gear is worn to match the OPDA gear and is well beyond where it should be. I had some luck with Chrysler in getting partial compensation for replacing my cam, lifters, etc. with similar wear, at similar mileage, but it was a trying experience.

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post #2110 of 5448 Old 09-20-2011, 03:42 AM
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I got duped into buying one of those "extended cover everything warranties" when I bought my Rubicon used. Would they cover something like this, since it isn't showing any symptoms? Or would they rather I wait until it completely goes out and I spin a main bearing due to no oil pressure?
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post #2111 of 5448 Old 09-20-2011, 07:43 AM
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Hello all. I have a 2005 TJ with 90k that has had two engine issues that have driven me #$%^ing batty. First- tick-tick-tick on cold start-ups. Not a daily occurence, typically have it right after an oil change. Second issue- and this has only happened several times- on a cold start, the oil pressure reads ZERO, then dash starts panic-beeping. Restart the engine and oil pressure reads fine.

So after reading and catching that both of these symptoms are related to this OPDA issue, I'm going to replace the assembly, Mopar PN #53010624AC. Yes, I realize that just replacing the whle thing won't totally resolve the issue, but I drive it less and less all the time.

Anyways, replacement... I see the wheel and housing are pinned together from the factory. I'm assuming this represents the engine at TDC? So I can remove old one, set to TDC, then install new one, then remove pin?

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post #2112 of 5448 Old 09-20-2011, 08:49 AM
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I don't have much mechanical knowledge and this seems way over my head to me, sorry for being so nooby. I have an 06 and its right at 60k miles, I noticed while stuck in traffic an odd metallic noise that would occur every other second that sounded like a marble bouncing around in the front. Its not very loud but noticeable to me and was not there before
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post #2113 of 5448 Old 09-20-2011, 11:19 AM Thread Starter
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Quote:
Originally Posted by footypaul View Post
No the teeth weren't really coming to a harsh edge. Just a little wear showing.
You'll have to make the call. The pic is blurry enough to not be able to tell. My recommendation is to replace new and FogMod. More money, but there will be no second guessing.

If you can't afford a new one, FogMod the existing. Make note of the shaft condition and have a very good look at the upper bushing.

The OPDA is supposed to wear faster than the cam, so I would think that cam wear will not be as bad as the OPDA gear.
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post #2114 of 5448 Old 09-20-2011, 11:24 AM Thread Starter
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Quote:
Originally Posted by goofus View Post
Hello all. I have a 2005 TJ with 90k that has had two engine issues that have driven me #$%^ing batty. First- tick-tick-tick on cold start-ups. Not a daily occurence, typically have it right after an oil change. Second issue- and this has only happened several times- on a cold start, the oil pressure reads ZERO, then dash starts panic-beeping. Restart the engine and oil pressure reads fine...

Anyways, replacement... I see the wheel and housing are pinned together from the factory. I'm assuming this represents the engine at TDC? So I can remove old one, set to TDC, then install new one, then remove pin?
The tick after oil changes is normal and I don't think it is related to the OPDA at all. After a few run hours the tick goes away. It has done that for the last couple oil changes on mine.

For replacement set to TDC with the old unit still installed. Pin it for removal. Put the pin in the new one and replace. I do not recommend moving the cam with the OPDA out. Too many things can go wrong.
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post #2115 of 5448 Old 09-20-2011, 11:39 AM
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Originally Posted by Dogbones View Post
I don't have much mechanical knowledge and this seems way over my head to me, sorry for being so nooby. I have an 06 and its right at 60k miles, I noticed while stuck in traffic an odd metallic noise that would occur every other second that sounded like a marble bouncing around in the front. Its not very loud but noticeable to me and was not there before
The 'marble' sound is actually the throw-out bearing and it is normal for the NV3500 and NSG370 6-speed trans.

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