Rear Popping noise, only in 1st gear accelerating

I have a TD5 D90 and have noticed a rear 'popping" noise coming from the rear. It sounds much like when you put your finger in your mouth and make the "pop" noise. Only happens when i start to drive in 1st gear, does not happen when i decelerate or change into other gears. I have all new bushings including the rear a frame ball joint replaced.

Any ideas?

Brake pads?

Drive shaft/flange wear. Maybe A frame ball joint.?

Cancel A frame joint, just read again.

New brakes, rotors, a frame joint, new shocks, new bushings... i cant seem to figure this one out.

SteveSw said:

Brake pads?

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curious, how can brake pads make the "popping noise" only when taking off from a dead stop or in 1st gear accelerating ? Thanks

Tyres? After you've built up speed it's not that obvious.

A loose brake pad can move in the caliper. As this is related to the fit of the backing plate in the caliper it could happen with new brakes. It's not something that has happened to me personally as I'm still on drums, but I've heard of it.

Checked handbrake adjustment? Never heard of it popping but the fact it's only on take up of drive and it's easy to check....

Have you checked halfshafts and flanges as @Maroondestroyer asked?

1988smithy said:

Checked handbrake adjustment? Never heard of it popping but the fact it's only on take up of drive and it's easy to check....

Have you checked halfshafts and flanges as @Maroondestroyer asked?

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Thats my next step, to inspect those. Getting ready to install a double Cardan drive shaft so will look at all these suggestions. Thank you and will update with any findindings

Problem solved. Per LR bulletin: Add lock tight to pinion flange and shaft and then re-torque nut.