RRSTye · Dec 23, 2018

Hi all, I’m new to the forum and am now at whits end!!!!

My Range Rover Sport 2.7 is stuck in low range and after checking certain components and that the ecu was not soaked, etc, I decided to put everything back together only to find I’ve lost drive and when selecting P I get a grinding noise????

Any help would be greatly appreciated...

jamesmartin · Dec 23, 2018

if you ge a grinding when selecting p either vehicle is rolling or t/box is in neutral or some other cause for loss of drive between rear of gear box and wheels

RRSTye · Dec 23, 2018

Hi James, thanks for the reply. I should’ve mentioned this happens when my foot is on the brake and the car is stationary. I’ve seen on certain sites that a “hard reset” might solve this?..

jamesmartin · Dec 23, 2018

RRSTye said:
Hi James, thanks for the reply. I should’ve mentioned this happens when my foot is on the brake and the car is stationary. I’ve seen on certain sites that a “hard reset” might solve this?..

im no expert on those trucks but if it grinds theres no drive to the wheels presumably t/box isnt in low but neutral

tomcat59alan · Dec 23, 2018

jamesmartin said:
im no expert on those trucks but if it grinds theres no drive to the wheels presumably t/box isnt in low but neutral

Or stuck between the two.

Datatek · Dec 23, 2018

A grinding noise when P (park) is selected sounds like the parking pawl is engaged at the same time as drive is being selected.

Bemble · Dec 23, 2018

tomcat59alan said:
Or stuck between the two.

Or the output shaft spline has failed through fretting corrosion. Hopefully just your transfer box, though…

jamesmartin · Dec 23, 2018

Datatek said:
A grinding noise when P (park) is selected sounds like the parking pawl is engaged at the same time as drive is being selected.

theres allways some drag and rotation through a box,if the park ring can rotate if it can rotate theres a break in drive train to the wheels

P38_Crazy · Dec 28, 2018

I had the same problem. turns out for me it was the motor that switches between hi/lo range on the side of the gearbox. for the time being i just removed it.

RRSTye · Jan 12, 2019

Hi all it turns out I need a transfer case module adaptation which apparently can only be done by a main dealer. Has anyone had this done or know the cost??

gold rover · Jan 12, 2019

RRSTye said:
Hi all it turns out I need a transfer case module adaptation which apparently can only be done by a main dealer. Has anyone had this done or know the cost??

I can't help with the issue but wanted to say thanks for coming back to say what the issue was. So many don't.

Rick-the-Pick · Jan 13, 2019

I answered for an L322. Si i removed it.

Try & do a fault code clear on the vehicle.

RRSTye · Jan 13, 2019

Got drive back by leaving battery off for a couple of days. I’ve checked the wiring to the Transfer case and all good. TCM no signs of water ingress. Transfer case solenoid and motor tested and all good. My mechanic recommended a transfer case module adaptation as the car drives but special programmes not available and hi/lo switch flashing

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