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Matt, Mechanical Engineer
Category: Car
Satisfied Customers: 21620
Experience:  BEng hons Mech engineering, in auto industry 22 years
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It's a Santa Fe 2005 4 cylinder diesel. There's a loud grinding

Resolved Question:

It's a Santa Fe 2005 4 cylinder diesel.
There's a loud grinding noise coming from the rear when the engine is under load i.e. It's quite when the clutch is in or going down hill with your foot off the throttle but at its loudest going up hill.
At the last service in May the garage reported that the rear axle carrier bushes were getting worn to access. Now these bushes have had a further 6 months use is this the likely cause of the noise and if so, what's the approximate estimate for the replacement of them?
Submitted: 1 year ago.
Category: Car
Expert:  Matt replied 1 year ago.
hello the worn bushes will certainly be contributing towards the noise so I'd suggest replacing those as the next stepwhile you're there I'd also replace the rear axle oil with fresh and also check the state of the propshaft as it may have either has a worn joint or the centre bearing is worn or its out of balance you can easily check for for any slack in the propshaft joints by twisting either half by hand and feeling for any play as there should be virtually none the centre bearing is quite loosely mounted so this can be moved normally but if you can run the car in gear with the wheels off the ground and then feel the centre bearing housing for vibration if there's any then consider replacing the unit
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