The Mitsubishi Pajero Owners Club®

SunbeamFanatic · Posted: Thu Oct 11, 2018 15:08 Post subject: Grinding noise when turning left!!

So the next random noise coming from my 2004 Mk3 is that when I turn left there is a constant grinding noise which sounds like it is coming from the rear end. The noise isn't evident when going straight or turning right.

Would anyone care to venture an internet diagnosis?

Many thanks.

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trekker · Posted: Fri Oct 12, 2018 16:08 Post subject:

The noise is then coming from the right rear wheel. Jack this corner up and feel if the wheel is noisy or has slack movement, or if the brake caliper is loose.

SunbeamFanatic · Posted: Mon Nov 12, 2018 14:26 Post subject:

Turns out it was the RHR wheel bearing/hub, strange how it only made a noise when turning left, I'm used to faulty wheel bearings rumbling all the time!

trekker · Posted: Tue Nov 13, 2018 6:47 Post subject:

Not really strange. When the vehicle is turned left, vehicle body weight is higher on the right side and less on the left side, hence the greater noise level from the right side.

SteveW-DID · ***** Joined: 04 Jun 2006 Posts: 826 Location: Dorset

Doesnt always work like that, sometimes a shot bearing will go quiet when loaded!

trekker · Posted: Tue Nov 13, 2018 14:20 Post subject:

A noisy bearing may be dry of lubricant, showing spalling on races or ball/roller, brinelled, or generally worn due to being way past it's rated life. Almost all of these conditions cause more noise when heavily loaded than lightly loaded.

With respect to rear wheel bearings, that's exactly how, 20 years back, the Ford agent identified which of the wheel bearings on my Mustang was the noisy one, and once this one was replaced I had no further such noise. And just earlier this year I saw a vehicle repair centre owner do exactly the same test before replacing one noisy rear wheel bearing on a Honda CRV. It's an age old test.

This isn't a generalisation on bearings, the op asked about a vehicle rear wheel bearing noise.