Squeaking noise from engine, pulleys and belts

[sunking101]

Hi, my engine ancilliaries are making a squeaking noise. If I spray the belts then this goes away. Is it a bearing problem? Do I need to replace or lubricate something in particular? Advice needed! Thanks.

 

[mike65]

Its proberly a slightly loose belt/s problem. The tensioner/s would need tightening if so. Its worth checking the state of the belt itself. It should be free of any cracks (which tend to run across the width of belt) and glazing.

What models is your car?

Mike.

 

[tom7035]

Replacing the belt will cure it. Not expensive.

 

[sunking101]

Hi, sorry I wasn't very descriptive on my previous message. It isn't a squeaking like with a loose fan belt first thing in the morning on a cold day, more a bearing type noise. Not exactly a squeak, can't describe it! Everything was fine then I went for a 3hr blast run down the motorway and now something is making a noise. It isn't the engine, more something connected to a pulley/belt. Hope this helps! It's a 1991 190E 1.8 manual.

 

[tom7035]

If the noise disappears when you spray the belt then this is obviously the cause. Replace it and keep the old one in the boot as an emergency spare.

 

[sunking101]

Sorry, I'm not explaining things properly. I spray all the pulleys and devices attached to them with WD40, not the belts. Cheers.

 

[Mikesmerc]

Could be altenator bearings on the way out. Approx 80quid to recondition.
Mike

 

[LANDR0VER]

No one has even asked what type of car it is,does it have a belt tensioner,if so this is a likely cause of the problem.

 

[LANDR0VER]

Hi, sorry I wasn't very descriptive on my previous message. It isn't a squeaking like with a loose fan belt first thing in the morning on a cold day, more a bearing type noise. Not exactly a squeak, can't describe it! Everything was fine then I went for a 3hr blast run down the motorway and now something is making a noise. It isn't the engine, more something connected to a pulley/belt. Hope this helps! It's a 1991 190E 1.8 manual.

never saw this on previos post,if it is a 190 then it will be the tensioner bearing.....they are a common for making belts sound noisey.