sounds like you freed something up in the ac system... as far as the aux fan kicking in and out it probably coincides with the AC working properly now... before it probably wasn't reachinf the desired temp so it just stays on...

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85 190E 2.3(SOLD)
86 230E (-->300D) sold
87 300D (-->300TD) sold
68 250S w/ a 615 and manual tranny (RIP)
87 300TD (SOLD)
95 S280 "The KRAKEN" (Turbo 2.9 602 transplant) traded
86 190E 2.3... current project