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difference between 3 channel and 4 channel?

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Old 04-28-2009, 10:03 PM
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Default difference between 3 channel and 4 channel?
what is the difference between 3 channel and 4 channel rears? i have a 98 TA with ABS and TCS. does that mean i have 3 or 4 channel?
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Old 04-28-2009, 10:49 PM
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ABS + TCS = 4 channel (also has 2 sensors)

NO TCS = 3 channel (has only 1 sensor, located in the middle of the rear end)
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Old 04-28-2009, 10:57 PM
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4 channel..one dedicated brake line per caliper,

3 channel.. one main brake line that T's off into 2 brake lines
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Old 04-29-2009, 08:34 PM
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The 3 channel has a reluctor ring on the ring gear carrier
the 4 channel has a reluctor ring on each axle behind the brake rotor
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