Brake pedal pushback and pull to right

My Rangie is acting a bit odd.

I intermittently get the brake pedal pushing back and becoming ey hard to push down, then it goes to normal resistance after a while. When pushing back it feels much harder and I have to exert more pressure to effectively brake. This is usually accompanied by a pull to the right, towards oncoming traffic

I will have the front calipers off to replace front CV joints & bearings this weekend and have ordered new brake pads and all other bits from Paddocks. I will therefore be bleeding the whole braking system and hopefully this will sort things out.

Does anyone have any other pointers while I am at it?

Thanks

Sean

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93 RRC Vogue SE V8 on LPG

sounds like a servo problem mate. not really familiar with v8 but check all vac hoses are intact and not leaking

There is no servo vacuum hoses as its ABS.

check the pistons in the calipers, you may have a seal gone and it could be getting a bit of **** in it now and then

aye, it sounds like a piston sticking, somewhere.

Over weekend planning to do both front CV joints, and replace all pads front & rear and of course power bleed. So i'll be winding all the pistons in.

Hopefully it will behave then.