Animals & Nature1 min ago
My ford mondeo's engine is making a whirring noise?
I have a 2001 mondeo and last night it started to make a whirring noise from the engine. At first i thought it was lack of oil and checked it and to me it looked way past the min requirements untill this morning when i checked it again it was dead on min.
Anyway ive topped the oil up and it sounds like a belt thats making the noise etc? The whirring changes if i rev the engine up and it defo sounds like its inside the engine.
cheers if any1 can help and sorry for the rushed post.
Answers
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For more on marking an answer as the "Best Answer", please visit our FAQ.My 2lt Zetec Mondeo developed a similar noise. I traced it to the drive belt side of the engine, but it was night and I was a long way from home so called for assistance. The mechanic who came out said it was probably the drive belt idler pulley and I was recovered home. I had bought the car from an auction and had got my garage to give it a full service with all new belts and idlers.
They changed the idler pulley under warranty but within a few miles the noise was there again. They changed it twice more plus a new drive belt but the noise kept coming back.
The garage is owned by a friend and I have known the staff for years and I watched them do all this (so they were not messing me about). A squirt of WD40 helped for a while and I realised that apart from the noise the car performed fine. So try to see if the noise is coming from this idler - it is at the top front behind the plastic shield.
I have done about 5000 miles since then and the noise has almost vanished. The only clue as to the cause was the fact that it occurred in winter with heavy electrical loads. But now I'm using the aircon and loading up the drive train again but the noise is only there on odd occasions. I think if it was something really bad it would have occurred by now.
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