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Old 02-06-2003, 10:40 AM
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G-Benz G-Benz is offline
Razorback Soccer Dad
Join Date: Apr 2001
Location: Dallas/Fort-Worth
Posts: 5,711
I agree...engine is nearly's the ancillary components that give you headaches!

The radiator will crack at the inlet neck at around 100K.

You already know about the head gasket problem. It's a problem for BOTH the M103 & M104, just the failure symptoms are different. Oil leaking at the front is the timing cover seal, at the rear, it's the head gasket.

Water pump, alternator, and other parts depend on usage and conditions, but they will go belly up eventually.

Loud clanking sound at idle? Connecting rod? No. More like a worn bushing on the belt tensioner shock.

Loud grinding sound at startup? Bearings going bad on the air pump. The bearings are (of course) not a readily-available size, so total replacement is necessary.

The OVP relay is the source of all sorts of weird idle and starting problems. If yours is original, be prepared.
2009 ML350 (106K) - Family vehicle
2001 CLK430 Cabriolet (80K) - Wife's car
2005 BMW 645CI (138K) - My daily driver
2016 Mustang (32K) - Daughter's car
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