webbo
Thrash Merchant
Posts: 393
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Post by webbo on Feb 21, 2012 19:47:23 GMT 1
Hi I am geting on with the engine rebuild on my 4L0 but not sure which way round the water pump seal goes. Haynes says it's marked but not on my pattern seal!Whiich should face the Impellar,photo 1 or 2? Cheers. Photo 1 Photo 2
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Post by midlifecrisisrd on Feb 21, 2012 20:58:25 GMT 1
I think it is photo 1 against the impeller.
Stripped a case today for coating and that's the way it was.
No doubt some one else will confirm or deny.
Steve
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webbo
Thrash Merchant
Posts: 393
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Post by webbo on Feb 22, 2012 17:52:39 GMT 1
Thanks for your help steve!
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Deleted
Deleted Member
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Post by Deleted on Mar 7, 2012 7:58:31 GMT 1
well i just fitted a genuine seal and it says on one side "water side"" and in fact that is picture #2, the one i removed from mine was non genuine and it was put in the wrong way ,picture #1 as well.the bearing goes against picture #1
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Post by ianmac on Mar 8, 2012 8:12:37 GMT 1
As above have casing with genuine seal....."water side" marked facing outwards towards impellor as picture 2.......
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Post by ianmac on Mar 8, 2012 8:17:47 GMT 1
Picture one surely fits snug to bearing on casing inside as if fitted other way round wouldn't fit flush?
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webbo
Thrash Merchant
Posts: 393
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Post by webbo on Mar 8, 2012 9:53:57 GMT 1
I've fitted it now so hope it's right!
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Post by ianmac on Mar 8, 2012 10:35:56 GMT 1
Just looked at manual and it appears to be fitted as per photo 2
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webbo
Thrash Merchant
Posts: 393
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Post by webbo on Mar 8, 2012 14:51:11 GMT 1
I fitted that way round Ian. I expect I'll find out if it's wrong with a clutch case full of water!! ;D
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Post by nikfubar on Mar 10, 2012 0:45:29 GMT 1
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Post by lcowner on Mar 10, 2012 10:41:24 GMT 1
i have it in the wrong way too then??i persume its a bit like the crank seal the 2nd picture above i think that goes again the bearing to stop the actual bearings fcuking up the seal ie the bearings cant touch the seal if u put it in that way? ???im confused...lol
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Post by oldelsieboy on Mar 10, 2012 11:21:50 GMT 1
One good reason for buying genuine Yamaha seals, you may have paid a bit extra but the worry of fitting it the wrong way round would not have arisen.
OEB
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Deleted
Deleted Member
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Post by Deleted on Mar 10, 2012 12:20:00 GMT 1
all i wish now is that the rest of the oil seals had "OIL SIDE"on them, can anyone give me a rule of thumb for the rest of the seals?and what does castlation side really mean,?is that the opposite of the flat side? thanks to anybody who can give me a factual reply, ken
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Post by lcowner on Mar 10, 2012 14:02:18 GMT 1
castleation means like u see on a top of a castle!up n down configuration ,the caselation faces the bearing and not as stated in the haynes manual
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Post by arrow on Mar 10, 2012 16:52:05 GMT 1
castleation means like u see on a top of a castle!up n down configuration ,the caselation faces the bearing and not as stated in the haynes manual My Haynes manual is correct in saying,"R/H seal must be fitted with castellations inward"
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Post by nikfubar on Mar 10, 2012 20:07:14 GMT 1
Same here mine says castelations abut the bearing, which is the right way round. I always thought as a rule of thumb with seals that the side with the spring faces the oil & the plain/flat side faces air or water
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Post by daglad on Mar 10, 2012 20:38:20 GMT 1
Bloody typical i fitted mine thursday night and yes you guessed it, its the wrong way round!
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Deleted
Deleted Member
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Post by Deleted on Mar 10, 2012 23:37:53 GMT 1
thanks for the replies, i should be right now,get my crank back this week then its put motor back together,and hopefully it will work
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Post by ianmac on Mar 11, 2012 10:29:31 GMT 1
Still confused.....Can anyone post a piccie up please? So way it's fitted in Haynes is wrong way round? No surprise there then.....Just bought a casing that has new bearing and seal fitted with "water side" clearly marked on seal facing outwards as per photo 2? So this is wrong? Can't see how......
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Post by ianmac on Mar 11, 2012 10:44:28 GMT 1
Is this the wrong way?
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Post by lcowner on Mar 11, 2012 10:54:04 GMT 1
thats right!that must be a gen yam seal but pattern ones dont have the 'water side' marking on them
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Post by ianmac on Mar 11, 2012 10:56:40 GMT 1
Genuine seal but this is with the castellation side facing outwards......Still confused.
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Post by lcowner on Mar 11, 2012 11:08:03 GMT 1
no mate thats right sorry for the confusion but i was talking about crank seal
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Post by ianmac on Mar 11, 2012 11:10:06 GMT 1
Ah ha......Just a wee bit more confused today than usual....Cider n champagne last night don't help......2hrs till opening time! Cheers.Ian.
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