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RMS Leak Oil Question - 02 Accord V6 #4504329
09/01/17 10:18 AM
09/01/17 10:18 AM
Joined: Apr 2015
Posts: 5
Chicago, IL
sirronin Offline OP
sirronin  Offline OP
Joined: Apr 2015
Posts: 5
Chicago, IL
2002 Accord V6 (currently 85k miles), developed a RMS leak about 4 years ago (about 65k miles, at that time).
Used Mobil 1 (Original at first, EP since ~2005 and HM 5W-20 since 2014).
Add Bars RMS Stop Leak and good to go (leak is small, but annoying nonetheless).

Recently saw some posts on BITOG where people are stating to use MaxLife Red Bottle to combat RMS leaks on cars susceptible to this issue?
Can anyone clarify if this is a known, and qualified workaround?
Is there something in the formulations (Mobil 1 HM vs. Maxlife Red that's helping here), or is MaxLife Red just a thicker oil?

RMS will physically be replaced eventually, just waiting on the Trans 'failure' these models have as 'features' to action the fix as a '2-fer.'

Re: RMS Leak Oil Question - 02 Accord V6 [Re: sirronin] #4504345
09/01/17 10:34 AM
09/01/17 10:34 AM
Joined: Oct 2010
Posts: 1,829
.
Danh Offline
Danh  Offline
Joined: Oct 2010
Posts: 1,829
.
MaxLife may not be any thicker but does seem to be the most-effective high-mileage oil for controlling leaks, presumably because it has more seal conditioners than other brands.

If the leak gets worse, try Liqui-Moly Oil Saver. This stopped a front cover leak on my Ford 3.0 24V.

Re: RMS Leak Oil Question - 02 Accord V6 [Re: sirronin] #4504366
09/01/17 10:54 AM
09/01/17 10:54 AM
Joined: Jun 2011
Posts: 1,803
Crawfordville FL
SilverFusion2010 Offline
SilverFusion2010  Offline
Joined: Jun 2011
Posts: 1,803
Crawfordville FL
Try the M1 HM 5W30.

The bars is a thickener, just go up a grade instead


2010 Ford Fusion SE 3.0L V6, 181 miles M1 HM 10w-30
Re: RMS Leak Oil Question - 02 Accord V6 [Re: sirronin] #4504415
09/01/17 12:12 PM
09/01/17 12:12 PM
Joined: Aug 2017
Posts: 663
MN
14Accent Offline
14Accent  Offline
Joined: Aug 2017
Posts: 663
MN
Just to add -

It's most likely not the rear main leaking on your car. The rear main on the J-series is housed in a plate th at bolts to the back of the block. There's also a small o-ring in that plate that seals an oil galley which gets flat and brittle with age. Regardless, the fix is the same. R&R trans and replace main deal and o-ring.


2013 Chevrolet Volt - Saves enough in fuel to pay for itself!

2003 Cadillac Seville STS - The winter "beater", it uses the Volt's fuel
Re: RMS Leak Oil Question - 02 Accord V6 [Re: sirronin] #4504602
09/01/17 03:21 PM
09/01/17 03:21 PM
Joined: Mar 2008
Posts: 7,319
USA
slacktide_bitog Offline
slacktide_bitog  Offline
Joined: Mar 2008
Posts: 7,319
USA
Maxlife 5w30 and Motor Oil Saver smile

Re: RMS Leak Oil Question - 02 Accord V6 [Re: sirronin] #4504610
09/01/17 03:29 PM
09/01/17 03:29 PM
Joined: Apr 2013
Posts: 5,898
FL, USA
gregk24 Offline
gregk24  Offline
Joined: Apr 2013
Posts: 5,898
FL, USA
Maxlife didn't seem to have much of an effect on my parents 2005 Chevrolet Uplander with the 3.5, although I only used it for 1 OCI. I am surprised yours is leaking at such an early milage.


2012 Honda Accord EX-L K24z3
54,xxx miles
PPPP 0w20 / Fram Ultra

2014 VW Jetta SE 1.8T ea888
40,xxx miles
Castrol OEM dealer fill / OEM filter
Re: RMS Leak Oil Question - 02 Accord V6 [Re: sirronin] #4505017
09/02/17 01:23 AM
09/02/17 01:23 AM
Joined: Feb 2003
Posts: 6,003
Cajun Country, La.
BlueOvalFitter Offline
BlueOvalFitter  Offline
Joined: Feb 2003
Posts: 6,003
Cajun Country, La.
Originally Posted By: sirronin
2002 Accord V6 (currently 85k miles), developed a RMS leak about 4 years ago (about 65k miles, at that time).
Used Mobil 1 (Original at first, EP since ~2005 and HM 5W-20 since 2014).
Add Bars RMS Stop Leak and good to go (leak is small, but annoying nonetheless).

Recently saw some posts on BITOG where people are stating to use MaxLife Red Bottle to combat RMS leaks on cars susceptible to this issue?
Can anyone clarify if this is a known, and qualified workaround?
Is there something in the formulations (Mobil 1 HM vs. Maxlife Red that's helping here), or is MaxLife Red just a thicker oil?

RMS will physically be replaced eventually, just waiting on the Trans 'failure' these models have as 'features' to action the fix as a '2-fer.'

The best fix is to replace the RMS.

Re: RMS Leak Oil Question - 02 Accord V6 [Re: sirronin] #4526967
09/26/17 05:26 PM
09/26/17 05:26 PM
Joined: Apr 2015
Posts: 5
Chicago, IL
sirronin Offline OP
sirronin  Offline OP
Joined: Apr 2015
Posts: 5
Chicago, IL
Turned out the RMS was not the culprit, rather the plate into which the RMS is seated. It appears that the gasket / hondaseal used at the mating surface had degraded and was allowing oil seepage through. All in all, $1025 for the job. While unit was being serviced RMS, o-ring and aforementioned seal were all replaced. Hoping Honda / Acura has begun to use more robust seals at this critical mating junction in their newer models.

Last edited by sirronin; 09/26/17 05:29 PM.
Re: RMS Leak Oil Question - 02 Accord V6 [Re: sirronin] #4527038
09/26/17 06:28 PM
09/26/17 06:28 PM
Joined: Jan 2008
Posts: 10,960
OH
SatinSilver Offline
SatinSilver  Offline
Joined: Jan 2008
Posts: 10,960
OH
I had the RMS replaced on my 1999 Accord I4. It was seepage and nothing dripping on the ground. First dealer quoted $700 to fix. Mileage at the time was 75k or so. Called other area dealers and found one that would do it for $500. Called Honda corp to see if they could help out at all. They agreed to paying half the bill, so $250 was the net cost. Afterwards noticed a flair between 1st and 2nd gear, Uh oh. Took it back and they did a drain and fill. They wanted me to pay for it, but I said it was shifting fine before I brought it in so not paying for that. That solved the issue and sold it at 166k. Still ran like a top.


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