Date registered: Feb 2005
Vehicle: Two '87 570SECs, one '87 560SEL
Location: Las Vegas, NV
Mentioned: 6 Post(s)
Quoted: 256 Post(s)
To check the viscous fan clutch, with the engine off, spin the fan by hand. It shouldn't go more than about 1/4 of a revolution. My slightly overly stiff fan stops in a couple inches - noisy thing but helped immensely with Las Vegas (10% of the surface of the sun temps) summer heat.
US '87 560SEC with Euro headlights, clear markers, H&Rs, 17x8.5/Nitto's, ATE slotted rotors with ceramic pads, BergWerks FGS, 3.07 Limited Slip. '87 560SEL with Euro Headlights, lowered, 235/40/17's