Troubleshooting Cruise-O-Matic transmissions
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==Ford Cruise O Matic transmissions== | ==Ford Cruise O Matic transmissions== | ||
| − | ==Cruise O Matic shift linkage== | + | '''Bold text'''==Cruise O Matic shift linkage== |
Cruise-O-Matic transmissions have a few common issues, that can usually be sorted out easily. They will be broke up into cause and effect with a troubleshooting table | Cruise-O-Matic transmissions have a few common issues, that can usually be sorted out easily. They will be broke up into cause and effect with a troubleshooting table | ||
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Cause: - Effect: | Cause: - Effect: | ||
| + | Worn out shifter bushings - Sloppy shifter, can jump from park into reverse with no effect from shifter adjustment. | ||
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| − | + | '''Medium size Cruise-O-Matics were prone to cracking at the bolt hole attaching the rear servo to the case. | |
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| + | The effect of this is chattering or slippage while in reverse, sometimes to the point where reverse no longer works. Severe cracking left un-repaired can lead to the bolt at the crack shearing and damage to the servo. In situations where you cannot replace the case because of the desire to retain the casting numbers for a "matching numbers" car, a competent welder would have to repair the case and a crack reinforcement bracket, sold by Northwest Transmission Supply installed. Some welders will suggest filling the bolt hole with welding material and then re-tapping it for a 5/16" bolt. It is up to the mechanic to decide which course of action to take. | ||
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| + | It is important with the Cruise-O-Matic to insure that you are fully stopped before shifting from reverse to forward to prevent case breakage. There are some that suggest restricting the feed line to the rear servo so that the piston engages more slowly and smoothly. In this transmission, the rear servo tends to engage rather harshly and during high rev conditions, such as when the car is cold and idling high, it is more prone to case breakage. | ||
==C6 transmission filter warning== | ==C6 transmission filter warning== | ||
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