Quote:
Originally Posted by bcredliner
Did you also check if the belt was loose? The belt can be in place and loose because it is about to fail or because of a tensioner. Coolant residue can also cause it to slip. A loose belt would not be turning the associated pulleys adequately which could result in your symptoms. Have you cleaned the belt since the coolant spills? Coolant leaks don't go away. Are you checking the coolant level frequently or waiting until the warning light comes on?
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I didn't check if the belt was loose, but I will do that once I get home from work. I haven't actually seen any coolant spills, I just keep noticing the coolant disappearing from the reservoir.
Quote:
Originally Posted by srmmmm
Your alternator is air cooled on the 3.0, however coolant entering the alternatr housing can lead to failure later on. That exact issue occurred on the CEO's 325i after a pin hole in the upper radiator hose sprayed coolant directly into the alternator.
The fact you have no power steering is a strong indicator of belt slippage which is probably resulting from coolant residue, or a failing belt tensioner. This could also be causing reduced alternator output. I'd check the belt and tensioner first, then address the alternator if there's no change.
2002 X5 3.0 260,259 miles
2004 325i 115,000 miles
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Thanks for your insight! I will be sure to do that!