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Leamreject

Member Since: 19 Dec 2020
Location: Middle Earth - Leamington Spa
Posts: 970

Brake Servo Oddball

My 2011 Puma doesn’t appear to be giving me any brake servo assistance. Doing the usual servo test of pump and hold brake pedal then starting it makes no difference to the pedal.

If I remove the servo vacuum pipe I have a good vacuum suck at the servo pump and removing it from the servo also a good release of vacuumed air. I was expecting one or the other to show a fault.

Anyone experienced this or offer any other rational?

Thanks
Rob Ride like you stole it!!
If I’m not on a bike it’s because only a 4x4 will do…
2011 2.4 Puma 90 HT

12th May 2022 3:34am

LR90XS2011

Member Since: 05 Apr 2011
Location: bickenhill
Posts: 3643

2011 Defender 90 Puma 2.4 XS CSW Galway Green

not sure this is an issue I have a 2011 if you can wait until this evening I will see how mine behaves, is yours ABS / TC fitted? DEFENDER 90 TDCI XS,

I hope everyone is well and your land rovers make you happy

12th May 2022 5:36am

Leamreject

Member Since: 19 Dec 2020
Location: Middle Earth - Leamington Spa
Posts: 970

Thank you, if ABS isn’t standard on the 2011 Puma HT then my model doesn’t have it which means it won’t have TCS either. Ride like you stole it!!
If I’m not on a bike it’s because only a 4x4 will do…
2011 2.4 Puma 90 HT

12th May 2022 9:09am

LR90XS2011

Member Since: 05 Apr 2011
Location: bickenhill
Posts: 3643

probably not representative then as mine has it DEFENDER 90 TDCI XS,

I hope everyone is well and your land rovers make you happy

12th May 2022 4:41pm

Linds Hanson

Member Since: 16 Jan 2021
Location: Cornwall
Posts: 486

Check for fatigue cracks around where the master cyl fits onto the servo particularly around the engine side. These can close up when the pedal isnt depressed allowing vacumn build up but then open up when the pedal is pressed allowing air into the servo housing. Also check the o ring seal on the end of the master cylinder to servo joint.

12th May 2022 5:03pm

Leamreject

Member Since: 19 Dec 2020
Location: Middle Earth - Leamington Spa
Posts: 970

Thanks I will take a look

Ride like you stole it!!
If I’m not on a bike it’s because only a 4x4 will do…
2011 2.4 Puma 90 HT

12th May 2022 8:07pm

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