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2006 Mitz. Lancer whining noise from clutch/trans. area.

I took the vehicle into Brakes Plus, since the noise I'm hearing sounds like the whine I got when they recently replaced the timing belt. They thought that was the problem too, and they were about to check and replace the belt pulleys etc. I got a call after a while from them telling me the problem was associated within the transmission and not the belts, as was first thought. They want to replace the gearbox, which they say would include the clutch. They say they can get a G/B thats done 55,000 miles and will warrenty it for 12 months or 12,000 miles. My question is: How can they be sure I need a complete gearbox. Could it not be a problem with the clutch? The noise occurs when the car is in gear and is being driven. When the clutch pedal is depressed the noise goes away completely! They say this proves the gearbox is the problem, and not the clutch! There is nothing wrong mechanically with the vehicle, and it drives okay, but the whine is audible. Any suggestions on my predicament please?

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  • Peter Colwell
    Peter Colwell Nov 16, 2013

    Sorry, I forgot to mention that this gearbox is a 5 speed Manual.

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2 Answers

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  • Cars & Trucks Master
  • 42,159 Answers

I would say that when you have the engine idling in neutral if the whine is there then it can be either the gear box or clutch throw out bearing still running (no clearance). IF you put you foot on the clutch with out pressure and the noise goes it will indicate a throw out bearing dry or failing. IF nothing changes then completely disengage the clutch and if the noise goes then it will be a bearing in the gear box (probably a clutch input shaft bearing and clutch to main shaft spigot needle rollers). If it is only the input shaft bearing it can be replaced and there is no need for a replacement box. However if you drain the oil from the box and there is significant metal bits on the magnet of the plug then that would require a box overhaul which may be more costly than a replacement box but you would be getting all new bits and a parts and workmanship warranty for the same period of time ( if the shop is accredited-if not steer clear as the warranty being offered on the replacement box may not be worth the ink used to write it-- Check the shops credibility on this). The only advantage of a replacement box is the period of time taken off the road for you but the cost of a used unknown box may be more costly a few months down the track

Posted on Nov 16, 2013

Testimonial: "Without doubt, the noise goes away completely when the clutch pedal is fully depressed. When the car is idling there is no noise. The noise kicks in at about 20 mph and stays there as long as the accelorater pedal is being depressed, no matter what gear the car is in. It only stops when the clutch pedal is fully depressed, and the gearbox is disengaged from the engine. There is no noise whan the car is idling with the stickshift in the nuetral position."

  • Bill Boyd Nov 16, 2013

    makes no diference as it still has an input shaft-main shaft and cluster shaft all of which run on bearings.

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Hi! Most likely you have a worn throw-out bearing which applies pressure on the clutch plate to engage and disengage the transmission. If that is the case, the tranny would have to be removed to replace it along with a new clutch assembly! Good luck!

Posted on Nov 16, 2013

  • Peter Colwell
    Peter Colwell Nov 17, 2013

    Thanks for the help. The problem is; where can I take the car where I'll get honesty, and where they wont want $2,500 dollars to replace a gearbox based on a 'sound test'?

  • Anonymous Nov 17, 2013

    Well, as for the guy who says its an overtighted t-belt , that's wrong! It would whine all the time if that was the case. Recommend finding a reputable transmission shop and check with the better business bureau first before you bring it in. Good luck!

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Posted on Jan 02, 2017

limotec
  • 33 Answers

SOURCE: Whining noise from engine

Hello
altho new you may have a whining water pump or tensioner or it may be over tensioned.

take a long screw driver & place in on the timing cover to try to here where the noise is coming from, this should help you find the proplem with the car
Regards Paul
www.limotec.co.uk

Posted on Jan 11, 2009

solveditnow
  • 39 Answers

SOURCE: 2003 differential whine/noise

The last time I had a hum coming out of the area of the differential it was an inside axle bearing going bad. In my case there were four bearings (one on each end of each axle). It was a Toyota. We changed one bearing after listening very carefully and guessed right. I don't know if Cadillac is built similar in this regard but I'm thinking it may be. It was a speed sensitive hum sound like you describe.

Posted on Dec 27, 2008

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