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I'm fixing a leaky rear seal with no evident problem with the bearing. When I ordered the parts from Tom's Import Toys, Tom gave me some tips:
He said he's fixed maybe a hundred of these and the bearing spins, causing heat buildup which fries the seal. He also said if you can pull the bearing carrier off the axle with your hands or hand-push the bearing out of the carrier, it's spinning. The cure is to replace the bearing.
After installing the new seal in the carrier, I heated it in sunlight* for an hour while freezing the bearing. The bearing tapped in easily with a seal driver. Then left the assembly in the sunlight under a glass bowl for another hour and it tapped onto the axle easily. With everything at ambient temperature, nothing budges by hand.
Tom said the take-away is the bearing must be an interference fit in both the carrier and on the axle housing.
*mid-70s today in SoCal.
He said he's fixed maybe a hundred of these and the bearing spins, causing heat buildup which fries the seal. He also said if you can pull the bearing carrier off the axle with your hands or hand-push the bearing out of the carrier, it's spinning. The cure is to replace the bearing.
After installing the new seal in the carrier, I heated it in sunlight* for an hour while freezing the bearing. The bearing tapped in easily with a seal driver. Then left the assembly in the sunlight under a glass bowl for another hour and it tapped onto the axle easily. With everything at ambient temperature, nothing budges by hand.
Tom said the take-away is the bearing must be an interference fit in both the carrier and on the axle housing.
*mid-70s today in SoCal.
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