Transmission whine

Ford Focus, 1.8Tdi. 79k miles on it.

I have a (currently) faint whine which does not appear to be engine related and is instead speed related. Comes in strongly if I'm naughty and get up to about 75mph. If I run the same engine revs in 4th the noise goes away. The front wheel bearings have no apparant play and feel OK, there is no noise or clicking from the CV joints on full lock. Could it be the intermediate bearing on the offside driveshaft? I've had a cursory push and tug and noting appears to be loose but I've not yet jacked up and dropped it on some stands for a proper look.

It's also getting ready for a new rear exhaust section. Any recommendations for good suppliers for parts? I suspect with a Ford the OE will be a single section - can anyone confirm if I'll have to weld something?

TIA

Reply to
Chris Street
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Most cars I've had with a fifth gear have whined slightly in 5th - even from new.

Rob Graham

Reply to
Rob graham

Is the noise new (to you) or has it been there since you have had the vehicle? I ask because I've had a Focus from new for six years and it has always had a slight transmission whine. It doesn't seem to get any worse, and I don't really notice it now.

Replacing the rear of the exhaust system should not require any welding. The price might make you cough though! I think I was quoted 130UKP for a genuine Ford one, or 75UKP for a Bosal. (Both fitted prices). I went for the Bosal with no apparent problems

HTH

Chris

Reply to
Chris Whelan

It seems to have developed in the last few hundred miles. I'm wondering if it's somehow related to new discs and pads that were fitted about then although I'll be blowed if I can see how.

It's certainly not the waterpump as I thought - does it even with the engine off and coasting.

Reply to
Chris Street

I'd check how much oil is in the gerabox and maybe change the oil to check it's condition.

Howie

Reply to
Howard Dean

It's topped up to full and according to my records I last changed it 15k ago.... first thing I thought of.

Reply to
Chris Street

I'd take it to a gearbox specialist to get them to have a listen. Where in the country are you?

Howie

Reply to
Howard Dean

Leeds area

Reply to
Chris Street

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