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pinyon seal leak #444635 08/20/09 10:26 PM 08/20/09 10:26 PM
Joined: Jul 2003 Posts: 1,107 Spring Valley ,Ca. moparsquid OP super stock
moparsquid OP super stock Joined: Jul 2003 Posts: 1,107 Spring Valley ,Ca.	my 489 case s/g leaks alittle (its been sitting for about 7 yaers), im fammiliar with the r/r procedure but Ive never tckled it my self , is there something i need to know before i change it. I dont want to change the adjustment by accident. thanks BOB Last edited by moparsquid; 08/20/09 11:04 PM.

Re: pinyon seal leak [Re: moparsquid] #444636 08/21/09 01:33 AM 08/21/09 01:33 AM
Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska	The yoke will be coming out so yes the whole pig will need to come out/apart as the pinion will have to come out for a new crush sleeve & it is my understanding when going back together replacing it w a solid sleeve is a better choice. live every 24 hour block of time like it's your last day on earth

Re: pinyon seal leak [Re: RapidRobert] #444637 08/21/09 07:36 AM 08/21/09 07:36 AM
Joined: Nov 2008 Posts: 5,964 Greenville, PA redraptor master
redraptor master Joined: Nov 2008 Posts: 5,964 Greenville, PA	Solid sleeve? Where do you get those? Do you set the preload the same?

Re: pinyon seal leak [Re: redraptor] #444638 08/21/09 08:51 AM 08/21/09 08:51 AM
Joined: May 2006 Posts: 2,046 ky. K kenworth_goose top fuel
kenworth_goose top fuel K Joined: May 2006 Posts: 2,046 ky.	Just put a new seal in it and torque it back to spec and it'll be fine. No need to completely dissemble a rear just to put a pinion seal in it. I have never had any problems. My Dana 70 in my 1 ton broke the yoke in half from around the pinion, I pulled the nut, put a new seal in it, tightened the new yoke back to torque spec and it has never leaked and the rear hasn't changed at all.

Re: pinyon seal leak [Re: kenworth_goose] #444639 08/21/09 09:28 AM 08/21/09 09:28 AM
Joined: Oct 2003 Posts: 7,506 Az Crizila master
Crizila master Joined: Oct 2003 Posts: 7,506 Az	Quote: Just put a new seal in it and torque it back to spec and it'll be fine. No need to completely dissemble a rear just to put a pinion seal in it. I have never had any problems. My Dana 70 in my 1 ton broke the yoke in half from around the pinion, I pulled the nut, put a new seal in it, tightened the new yoke back to torque spec and it has never leaked and the rear hasn't changed at all. You can do it that way ( I must admit I have done it to my own stuff in the past ), but it isn't the recommended way, as you stand the chance of not putting enough pressure on the inner race of the outer pinion bearing ( that's what the crush sleeve is for )and it could spin on the shaft. If that happens, things get ugly pretty fast. If you decide to shortcut it like that, go on the high side of the rotational torque spec - fix. Fastest 300

Re: pinyon seal leak [Re: Crizila] #444640 08/21/09 10:06 AM 08/21/09 10:06 AM
Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska	Randys ring and pinion has the solid sleeve for 24 & change and some good tech articles. www.randysringandpinion.com live every 24 hour block of time like it's your last day on earth

Re: pinyon seal leak [Re: kenworth_goose] #444641 08/21/09 11:08 AM 08/21/09 11:08 AM
Joined: Jan 2003 Posts: 25,200 Upper Midwest M MoparforLife Too Many Posts
MoparforLife Too Many Posts M Joined: Jan 2003 Posts: 25,200 Upper Midwest	Quote: Just put a new seal in it and torque it back to spec and it'll be fine. No need to completely dissemble a rear just to put a pinion seal in it. I have never had any problems. My Dana 70 in my 1 ton broke the yoke in half from around the pinion, I pulled the nut, put a new seal in it, tightened the new yoke back to torque spec and it has never leaked and the rear hasn't changed at all. Just do it. You will be fine. Was/is done all the time. Have never seen a service shop tear a rear down to just replace a pinion seal.

Re: pinyon seal leak [Re: MoparforLife] #444642 08/21/09 01:28 PM 08/21/09 01:28 PM
Joined: Jan 2009 Posts: 149 Rancho Cucamonga,Ca 3 392charger member
392charger member 3 Joined: Jan 2009 Posts: 149 Rancho Cucamonga,Ca	I had a pinion leak on my 02 Ram at around 200,00 miles and the dude at Auto zone told me to put a couple ounces of brake fluid in it to swell up the seal. I figured it was total B.S but it worked! Over 30,000 miles later and it's still leak free. Cost = 0

Re: pinyon seal leak [Re: 392charger] #444643 08/21/09 02:06 PM 08/21/09 02:06 PM
Joined: May 2003 Posts: 15,487 Florida S scratchnfotraction I Live Here
scratchnfotraction I Live Here S Joined: May 2003 Posts: 15,487 Florida	trick is to mark the nut and pinion before removing the nut and yoke then torque it back to specs and dont go past the mark if it goes past the mark ..you just crushed the crush sleeve more and changed the pinion depth and it will start howling soon after and eat its self up the longer it howls DAMHIK... results will vary...good luck

Re: pinyon seal leak [Re: kenworth_goose] #444644 08/21/09 03:53 PM 08/21/09 03:53 PM
Joined: Jan 2003 Posts: 25,902 Rio Linda, CA John_Kunkel Too Many Posts
John_Kunkel Too Many Posts Joined: Jan 2003 Posts: 25,902 Rio Linda, CA	Quote: Just put a new seal in it and torque it back to spec and it'll be fine. Problem is, there is no "torque spec" for a 489 pinion nut. The pinion/nut marking advice above is the best way, and use red Loctite. The INTERNET, the MISinformation superhighway

Re: pinyon seal leak [Re: John_Kunkel] #444645 08/21/09 04:26 PM 08/21/09 04:26 PM
Joined: May 2003 Posts: 15,487 Florida S scratchnfotraction I Live Here
scratchnfotraction I Live Here S Joined: May 2003 Posts: 15,487 Florida	the torque spec would be to measure the preload on the pinion as it is turned,IIRC after trashing 2 489s,fixing the pinion seal,I let it leak and keep a check on it... helps with rust prevention on the bottom rear of my truck to boot good luck

Re: pinyon seal leak [Re: scratchnfotraction] #444646 08/21/09 04:40 PM 08/21/09 04:40 PM
Joined: Oct 2003 Posts: 7,506 Az Crizila master
Crizila master Joined: Oct 2003 Posts: 7,506 Az	The crush sleeve ( and how much you crush it )does not determine pinion depth. The torque spec I was refering to is rotational torque of the pinion gear, not torque on the nut - although I have busted my nuts trying to get there Fastest 300

Re: pinyon seal leak [Re: scratchnfotraction] #444647 08/21/09 06:36 PM 08/21/09 06:36 PM
Joined: Jan 2003 Posts: 25,902 Rio Linda, CA John_Kunkel Too Many Posts
John_Kunkel Too Many Posts Joined: Jan 2003 Posts: 25,902 Rio Linda, CA	Quote: the torque spec would be to measure the preload on the pinion as it is turned,IIRC Yes, but that is measured with no ring gear or axles installed. The factory recommends removing the axles and measuring the pinion turning torque before removing the yoke and then tightening the nut (minimum 170 ft. lbs.) to attain that turning torque after the seal is replaced. Too much hassle for me, the nut/thread marking method puts everything as it was. The INTERNET, the MISinformation superhighway

Re: pinyon seal leak [Re: John_Kunkel] #444648 08/21/09 09:05 PM 08/21/09 09:05 PM
Joined: Jul 2003 Posts: 1,107 Spring Valley ,Ca. moparsquid OP super stock
moparsquid OP super stock Joined: Jul 2003 Posts: 1,107 Spring Valley ,Ca.	Thanks for all the answers Ill weigh the answers and try and do the best procedure and check the results .BOB.

Re: pinyon seal leak [Re: John_Kunkel] #444649 08/21/09 09:18 PM 08/21/09 09:18 PM
Joined: Oct 2003 Posts: 7,506 Az Crizila master
Crizila master Joined: Oct 2003 Posts: 7,506 Az	Quote: Quote: the torque spec would be to measure the preload on the pinion as it is turned,IIRC Yes, but that is measured with no ring gear or axles installed. The factory recommends removing the axles and measuring the pinion turning torque before removing the yoke and then tightening the nut (minimum 170 ft. lbs.) to attain that turning torque after the seal is replaced. Too much hassle for me, the nut/thread marking method puts everything as it was. Pull the axles and the ring gear drag is minimul - although you are correct. The marking method is good to get you in the ball park, but I would not rely on that alone without checking bearing preload. Not enough or no pinion bearing preload is a quick ticket to failure, especially if you are putting 4-500HP to it. Fastest 300

Re: pinyon seal leak [Re: Crizila] #444650 08/21/09 09:33 PM 08/21/09 09:33 PM
Joined: Aug 2008 Posts: 76 Pittsburgh, PA R roadrunnerh member
roadrunnerh member R Joined: Aug 2008 Posts: 76 Pittsburgh, PA	No need to remove anything else if it is the pinion seal that is leaking. I personally spoke to Dr. Diff on this very subject thanks to a recommendation from folks on this board. He sold me the correct seal and I will replace it tomorrow. He advised me to use an impact gun to tighten the pinion nut..... Harry 1968 Road Runner 1975 Scamp

Re: pinyon seal leak [Re: roadrunnerh] #444651 08/21/09 10:32 PM 08/21/09 10:32 PM
Joined: Oct 2003 Posts: 7,506 Az Crizila master
Crizila master Joined: Oct 2003 Posts: 7,506 Az	Quote: No need to remove anything else if it is the pinion seal that is leaking. I personally spoke to Dr. Diff on this very subject thanks to a recommendation from folks on this board. He sold me the correct seal and I will replace it tomorrow. He advised me to use an impact gun to tighten the pinion nut..... Good luck. Just FYI, the difference between having the incorrect verses the correct bearing preaload can be less than 1/8 of a turn on the pinion nut. Fastest 300

Re: pinyon seal leak [Re: moparsquid] #444652 08/21/09 10:34 PM 08/21/09 10:34 PM
Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska	MOPARSQUID after all this info do ya feel lucky live every 24 hour block of time like it's your last day on earth

Re: pinyon seal leak [Re: RapidRobert] #444653 08/21/09 11:00 PM 08/21/09 11:00 PM
Joined: Jan 2003 Posts: 6,183 Bridgeport, WV M Michael master
Michael master M Joined: Jan 2003 Posts: 6,183 Bridgeport, WV	What impact gun are you going to use? A 3/8 or a 3/4????

Re: pinyon seal leak [Re: RapidRobert] #444654 08/22/09 09:13 PM 08/22/09 09:13 PM
Joined: Jul 2003 Posts: 1,107 Spring Valley ,Ca. moparsquid OP super stock
moparsquid OP super stock Joined: Jul 2003 Posts: 1,107 Spring Valley ,Ca.	my head hurts I need an adult beverage or two.

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