Quote:
Originally Posted by 300GD
Are those 1998 fan parts supposed to make the engine run cooler, or is there some other reason for the retrofit? This is a timely discussion for me, as I'm another newcomer to the OM603 club.
To the OP, when I get a new-to-me old car, I like to 'baseline' (i.e. replace) all the fluids first thing, since generally I don't know how old they all are. I don't think anyone has mentioned hydraulic fluids yet, but you might want to bleed the brakes too.
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the biggest reason is cost.
the OE replacement 87 fan clutch is over 400.00, the OE replacement 98 clutch is 98.00... but you cannot use the 87 fan blade with the 98 clutch, so you have to change it also. DO NOT USE THE 90-93 OM602 fan blade, IT WILL DESTROY YOUR RADIATOR!!!