blowing crank seals out of case

honkytonk13 · 08-08-2011, 08:13 AM

hey,got my 83 ezgo going,had a bad coil.drove it about 30 min. an it blew the front seal out of the case,put it back in with thread lock,drove it about 30 min.again an it blew the back seal out of the casing,what is causing this?the guy i got it from just replaced the top end and bottom bearings-new seals an gaskets.is there a presure release on the motor somewhere?or do i just need to thread lock the back 1 an try it again?thanks for any help.

Dave Box · 08-08-2011, 08:50 AM

It is probably just a question of 28 years of wear have loosened yo the mating face a little. If you think of the construction of the crankcase the seal is going to be the weakest spot. When I rebuild my 86 I just tapped the seals in and after 2.5 hours engine time I popped the rear seal. When I replaced them both last summer I used Loctite blue bearing seal and so far all is good.

Dave

honkytonk13 · 08-08-2011, 09:07 AM

Thanks for help.

skimaniac6 · 08-09-2011, 12:48 AM

I failed to use locktight the first time I replaced the seals. Guess what I had to do last week.... Seems to be fine now, good advise to follow.

honkytonk13 · 08-09-2011, 09:14 AM

yep,thats what im doing today.thanks everbody.

honkytonk13 · 08-10-2011, 04:50 AM

well i got the seals thread locked an put back in,drove it about 2 hrs an it did fine,thanks guys for your help.

08-08-2011, 08:13 AM	#1
honkytonk13 Not Yet Wild Join Date: Jul 2011 Posts: 47	blowing crank seals out of case hey,got my 83 ezgo going,had a bad coil.drove it about 30 min. an it blew the front seal out of the case,put it back in with thread lock,drove it about 30 min.again an it blew the back seal out of the casing,what is causing this?the guy i got it from just replaced the top end and bottom bearings-new seals an gaskets.is there a presure release on the motor somewhere?or do i just need to thread lock the back 1 an try it again?thanks for any help.
honkytonk13 Not Yet Wild Join Date: Jul 2011 Posts: 47

08-08-2011, 08:50 AM	#2
Dave Box Respect the Cart Join Date: May 2010 Location: Rocky Mount, Virginia Posts: 2,190	Re: blowing crank seals out of case It is probably just a question of 28 years of wear have loosened yo the mating face a little. If you think of the construction of the crankcase the seal is going to be the weakest spot. When I rebuild my 86 I just tapped the seals in and after 2.5 hours engine time I popped the rear seal. When I replaced them both last summer I used Loctite blue bearing seal and so far all is good. Dave

08-08-2011, 09:07 AM	#3
honkytonk13 Not Yet Wild Join Date: Jul 2011 Posts: 47	Re: blowing crank seals out of case Thanks for help.
honkytonk13 Not Yet Wild Join Date: Jul 2011 Posts: 47

08-09-2011, 12:48 AM	#4
skimaniac6 Getting Wild Join Date: Feb 2010 Location: Arizona Posts: 132	Re: blowing crank seals out of case I failed to use locktight the first time I replaced the seals. Guess what I had to do last week.... Seems to be fine now, good advise to follow.

08-09-2011, 09:14 AM	#5
honkytonk13 Not Yet Wild Join Date: Jul 2011 Posts: 47	Re: blowing crank seals out of case yep,thats what im doing today.thanks everbody.
honkytonk13 Not Yet Wild Join Date: Jul 2011 Posts: 47

Today
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08-10-2011, 04:50 AM	#6
honkytonk13 Not Yet Wild Join Date: Jul 2011 Posts: 47	Re: blowing crank seals out of case well i got the seals thread locked an put back in,drove it about 2 hrs an it did fine,thanks guys for your help.
honkytonk13 Not Yet Wild Join Date: Jul 2011 Posts: 47

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