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#1
04-07-2015, 05:53 AM
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68 GTO axle coming out
My friends 68 GTO had an axle start to come out of the housing, it's a 10 bolt but there is no C Clip, is this normal? we haven't pulled the back cover yet, but the axle has not got a notch in it, what holds it in?
Cheers. |
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#2
04-07-2015, 07:30 AM
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They don't have c-clips, the flange on the axle tube secures the pressed-on bearings in place and that holds the axles in place.
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GREG'S GOATS: 1970 GTO Judge RA-III, 4-SPD & A/C. Power Windows, Power Seat, Power Brakes, Steering, AM/FM, 8-Track, Formula Wheel, Rallye Gauges, Remote Mirror, Numbers Matching. Assembled at Pontiac, MI Plant 5/26/1970. 1968 GTO 461 CI, RA-III heads, Hotchkis springs, UMI suspension, Bilstein shocks, 12-bolt 3.73's. 1966 GTO Ragtop 4-Speed, AM/FM, Original driveline. |
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#3
04-07-2015, 12:18 PM
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That flange has 4 bolts to hold the axle to the housing from the outside. Whereas if the Chevy-style C-clip rear end (held in place within differential housing) were to break an axle during driving, the axle would simply slide out. If a BOP rear, then the axle is held in place by the flange in front of the rear drum backing plate.
Check there...
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'68 GTO 4-spd Hardtop (11) '68 GTO Convertible AT (1) '70 LeMans Sport Land of Lakes Muscle Car Classic Facebook Event Facebook Wall (Kurt Smith,Minneapolis) |
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#4
04-07-2015, 01:31 PM
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If the 4 bolts and nuts are fastened okey then it`s the lock ring outside the bearing and the bearing started to move on the shaft?
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#5
04-07-2015, 02:21 PM
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Reading the OP, if bolt-in axle is trying to come out, it's the age old sealed axle bearing failure deal... the archaic sealed axle bearing, RW507CR in this case, has seized, the inner race has spun and chewed up the axle and now there is a clearance between the axle and the inner race,and the axle is now ready to depart the vehicle. Have answered this exact same situation on PY dozens of times. Its beyond sickening how many damaged '64-69 Buick, Olds, and Pontiac A body quarter panels have personally examined over the years that damage was a result of tire and wheel pulling out, usually during moderately low speed cornering. In every case, the expensive damage could have been prevented, by pulling the axles, removing the decades old sealed axle bearings, examining he axle mating area for wear, then either installing the axle retaining plate and new axle bearing, or doing so after replacing the axle with a good used one.
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Buzzards gotta eat... same as worms. Last edited by 'ol Pinion head; 04-07-2015 at 02:26 PM. |
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#6
04-07-2015, 04:01 PM
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Another possible explanation is that the bearing retainer is slipping. This is common if the bearing was changed and someone just pounded in the retainer. Slight axle shaft wear from previous R&R will result in the retainer slipping.
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My Break Away Squad 1969 Fbird (Base, 350 & Sprint Cvt’s - 400HO & TA Hardtops) 1969 LeMans (2dr & 4dr Hardtop and a Cvt) 1969 LeMans Safari 2 seat Wagon 1969 GTO (2 Cvt, 2 Hardtops & Judge Hardtop) 1969 Catalina (3 Cvt’s & a 2dr hardtop) 1969 Ventura 2 Seat Wagon 1969 Executive 4dr Sedan 1969 Bonnie Cvt 1969 Bonnie 3 Seat Wagon (2 of them) 1969 Bonnie Brougham (4dr Hardtop & Cvt) 1969 Grand Prix SJ (2 of them) 1969 2+2 2dr Hardtop (Canadian model) |
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#7
04-08-2015, 05:29 AM
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Thanks for all the responses, I guess I will let you know what it was when he pulls it apart.
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