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craneguy6970 09-16-2010, 03:18 PM '90 L-98 auto.. 55K... gone through 3 replacement rr. wheel bearings(less than 400 miles ea.) 2 NAPA(SKF) and one MiBearing... replced u-joints with first bearing..they were installed in the half shaft by a reputable shop... online ASE tech. sugjested using OEM bearing... changing the bearing is not that tough, I couldn't have screwwed it up 3 times?? any ideas...??? mat helm 09-16-2010, 03:29 PM Did you change the bearing race also? craneguy6970 09-16-2010, 03:49 PM C4 wheel bearings come assemble as a hub unit Paulie Lugnuts 09-16-2010, 04:01 PM Did you replace the shim that goes between the axle and the bearing? mat helm 09-16-2010, 04:01 PM C4 wheel bearings come assemble as a hub unit Really. Have not had to go into mine. But that is the one with the super high torque requirement isn't it? I can't remember exactly, but back when I was chasing a ticking sound, I read that it started out being 65lbs and went up to 185lbs. Vetteoz will chime in soon. He seems to know the specs on most everything vette.. craneguy6970 09-16-2010, 04:09 PM Did not repace that shim.. GM servive manual says re-install shim.. devon 09-17-2010, 01:03 PM Did not repace that shim.. GM servive manual says re-install shim.. That's what mine says. 95vette 09-17-2010, 02:16 PM What did you torque the center nut too? fordean 09-17-2010, 03:26 PM Have to put grease in it! Lugnut 09-18-2010, 05:38 AM For my 96 a Ebay Vendor sent me a pair of 503013 it listed as a interchange for the 503020 for the rear of the 96 C4 vette I have not had time to install them yet was hopeing to quite some gear noise. If you can find OME they High dollar and every thing else is made in China Only difference is Hub pilot is 3.21 on 503013 Hub pilot is 3.62 on 503020 Anybody think this is a Problem. Part is same as fromt hub on 4WD 93-83 S10 wheel hub assembly also fits all the below. OEM No.: 7466907 7466920 7466942 7466952 7470005 747053 APPLICATION: 1979-1985 BUICK RIVIERA 1979-1985 CADILLAC ELDORADO 1980-1985 CADILLAC SEVILLE 1983-1989 CHEVY S10,T10 P/U,BLAZER 1990-1993 CHEVY S10,T10 P/U,BLAZER 1994-1994 CHEVY S10 PICKUP 1994-1994 CHEVY S10 BLAZER 1983-1989 GMC S+T15,SONOMA PU-JIMY 1990-1993 GMC S+T15,SONOMA PU-JIMY 1994-1994 GMC SONOMA PICKUP 1994-1994 GMC S15 JIMMY 1979-1985 OLDSMOBILE TORONADO 1996lastyear 09-19-2010, 06:44 AM What did you torque the center nut too? Whats the torque supposed to be? Frizlefrak 09-19-2010, 03:08 PM 180-200 ft lbs. And torquing them correctly is essential to bearing longevity. Pep Boys used to sell Timken bearings....american made, about $150 each, and good quality...but I haven't bought them since 2004. Don't know if they still have them. khan2305 09-20-2010, 07:06 AM 180-200 ft lbs. And torquing them correctly is essential to bearing longevity. Pep Boys used to sell Timken bearings....american made, about $150 each, and good quality...but I haven't bought them since 2004. Don't know if they still have them. I would be surprised if PepBoys had anything American made anymore!:banned: CFI-EFI 09-20-2010, 08:02 AM Have to put grease in it!THEY ARE SEALED UNITS WITH NO PROVISION FOR ADDING GREASE For my 96 a Ebay Vendor sent me a pair of 503013 it listed as a interchange for the 503020 for the rear of the 96 C4 vette I have not had time to install them yet was hopeing to quite some gear noise. If you can find OME they High dollar and every thing else is made in China Only difference is Hub pilot is 3.21 on 503013 Hub pilot is 3.62 on 503020 Anybody think this is a Problem. Part is same as fromt hub on 4WD 93-83 S10 wheel hub assembly also fits all the below. OEM No.: 7466907 7466920 7466942 7466952 7470005 747053 APPLICATION: 1979-1985 BUICK RIVIERA 1979-1985 CADILLAC ELDORADO 1980-1985 CADILLAC SEVILLE 1983-1989 CHEVY S10,T10 P/U,BLAZER 1990-1993 CHEVY S10,T10 P/U,BLAZER 1994-1994 CHEVY S10 PICKUP 1994-1994 CHEVY S10 BLAZER 1983-1989 GMC S+T15,SONOMA PU-JIMY 1990-1993 GMC S+T15,SONOMA PU-JIMY 1994-1994 GMC SONOMA PICKUP 1994-1994 GMC S15 JIMMY 1979-1985 OLDSMOBILE TORONADO IS "OME" A TYPO FOR OEM? (Original Equipment Manufacturer)? the original supplier was Hyatt. RACE ON!!! mat helm 09-20-2010, 08:36 AM THEY ARE SEALED UNITS WITH NO PROVISION FOR ADDING GREASE RACE ON!!! I think he was referring to packing it before install. C4 for sure 09-20-2010, 08:43 AM I think he was referring to packing it before install. There is nothing to pack, the hub assembly comes as a sealed unit. mat helm 09-20-2010, 08:54 AM There is nothing to pack, the hub assembly comes as a sealed unit. Did not know that. Like I said, haven't had to touch mine yet. All the same, that worries me. Not only do you have to deal with chinese bearings, but chinese grease to boot. Wonder if they still make that outta goat fat....:stupid: C4 for sure 09-20-2010, 09:10 AM Did not know that. Like I said, haven't had to touch mine yet. All the same, that worries me. Not only do you have to deal with chinese bearings, but chinese grease to boot. Wonder if they still make that outta goat fat....:stupid: Haven't had to do mine yet either. I remember packing them the old way in the palm of your hand. Seems everything is made overseas these days. PLRX 09-20-2010, 10:12 AM I would be surprised if PepBoys had anything American made anymore!:banned: Made in America with chinese steel. This little secret I know. screamingeagle 09-21-2010, 06:18 AM Made in America with chinese steel. This little secret I know. That is odd! lol | |