All I know is that the normal operating temperature is 85 Degrees, my car was running at about 80-83 range.

Also the fan clutch now seems to work but continues to make noises. The fan spins but I cant be sure it is working properly.

Again I need some insight from people who have replaced their clutch without using this special tool as circled in the attached image two posts up.

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190e 2.6 1990. 300,000 KM
C230 K 2000, 130,000 KM