The belt tensioner is a classic problem on the M103 190E. When mine went bad, the A/C compressor would turn off intermittently because the compressor relay was detecting belt slippage. Expensive part, too--but you can share the labor with the water pump replacement. Cheers, Andrew Seidel.
__________________
86 560SEC
85 500SEC Lorinser
83 300D Turbo
75 240D
|