MGB & GT Forum
Front Suspension
Posted by robmgb74
Topic Creator (OP)
Apr 23, 2014 09:44 PM
Joined 10 years ago
76 Posts
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Front Suspension on my 74B is original except for shock replacement about 1996.I have minilite type wheels on wire hubs. I have a clunk in the right front at times when breaking. Concern is what to fix and replace. With wheel off I grabbed the spline and can get some front to back movement. I think this indicates I need to put on some rebuilt swivel axle assemblies and replace all the bushings. I am hoping my splines are not worn as I don't want to replace them and the wheels. Should I also replace the shocks? Was thinking about the coil over conversion. Expensive but it replaces a lot of old parts also. Thoughts? Should I replace WW hubs while I am in there?
Rear suspension: Replaced rear springs about 1996 also and I think the rear shocks. I had a rear axle clunk but tightening the wheels and adjusting breaks seems to have taken that away at least temporarily. How long should the lever arm shocks last?
My drive to work is over some rough brick roads which especially vibrate the front end enough to make significant part of the ride unpleasant. Any thought on this and above as to what would help make brick roads more bearable?
Rear suspension: Replaced rear springs about 1996 also and I think the rear shocks. I had a rear axle clunk but tightening the wheels and adjusting breaks seems to have taken that away at least temporarily. How long should the lever arm shocks last?
My drive to work is over some rough brick roads which especially vibrate the front end enough to make significant part of the ride unpleasant. Any thought on this and above as to what would help make brick roads more bearable?
About 12 miles from Sears Point, CA, USA
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Apr 23, 2014 09:49 PM
Top Contributor
Joined 17 years ago
12,249 Posts
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You're going to have to do some diagnosis. A clunk could be a wheel bearing, a bushing, a king pin a tie rod end, a motor mount, a cross member pad... I'll send you a PM. Basil 707.762.0974 basiladams@yahoo.com
Basil C. Adams
1956 MGA Coupe (Show Car)
1957 MGA Roadster (Driver)
1958 MGA Coupe (Racecar)
1959 MGA Coupe (unrestored)
1960 MGA Coupe (unrestored)
1960 MGA Roadster (Driver)
MKIII Elva Courier (E1056)
1967 427 Cobra
1972 Alfa Romeo Montreal
A coupla late MGBs
1960 Austin Healy BN7
More Cars than Brains
Basil C. Adams
1956 MGA Coupe (Show Car)
1957 MGA Roadster (Driver)
1958 MGA Coupe (Racecar)
1959 MGA Coupe (unrestored)
1960 MGA Coupe (unrestored)
1960 MGA Roadster (Driver)
MKIII Elva Courier (E1056)
1967 427 Cobra
1972 Alfa Romeo Montreal
A coupla late MGBs
1960 Austin Healy BN7
More Cars than Brains
jkabrown
Kenny Brown
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Apr 23, 2014 11:06 PM
Joined 14 years ago
1,624 Posts
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Apr 24, 2014 04:45 AM
Joined 10 years ago
1,183 Posts
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Check the shock mounts for security. With the wheel on, have someone apply the brake and see if there is play in the wheel. If so, you may have a worn spline problem. Check the lower control arm rubber bushings for wear. You have upper and lower bushing as well as the kingpin and up and down allowable play which should be minimal. You also have inner and outer tie rod ends that should be tight. The wheel bearing should have a slight in and out play and no up and down play. Lack of grease on the splines causes spline failure and the three grease points on the swivel assemblies can lead to excessive wear to the kingpin bearings as well as ovaling of the lower control arms-common clunk issue. Some outer tie rods have grease fittings as well. Torn boots on the rack assembly can lead to wear on the inner tie rods as well as the rack assembly.
Apr 24, 2014 08:11 AM
Top Contributor
Joined 17 years ago
11,919 Posts
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All good posts so far.
Sometimes there is play/some movement where the front pads ride in the calipers.
"It is a mistake to try to look too far ahead. The chain of destiny can only be grasped one link at a time."
Sir Winston Churchill
---------------------------------------------------------------
"It all starts in your mind's eye, then it goes to your heart
and finally to your very soul."
G.S.George PHD
Sometimes there is play/some movement where the front pads ride in the calipers.
"It is a mistake to try to look too far ahead. The chain of destiny can only be grasped one link at a time."
Sir Winston Churchill
---------------------------------------------------------------
"It all starts in your mind's eye, then it goes to your heart
and finally to your very soul."
G.S.George PHD
Apr 24, 2014 05:14 PM
Joined 16 years ago
399 Posts
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My crossmember pads were shot and I had a clunk when I cut the wheels to the left hard. I've replaced the pads today and expect this will fix it.
I've also heard and read that the front spring inner pan bolt holes can get oval-ed and this can cause a clunk.
I've also heard and read that the front spring inner pan bolt holes can get oval-ed and this can cause a clunk.
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