I read all the comments and suggestions. My opinion it is the abs activate. Is any lights on ? Have vehicle scanned for codes. A transmission problem is a lot different from a pulsating brake pedal.
There are hard spots on the front rotors and an out of round brake drum. This happens when you apply the parking brake when the drums are hot. If the brake drums have enough material to allow them to be resurfaced, do that or get new ones...never just one but both. Same goes for the front rotors.
You need to have someone look at the brake pads and see if you need new pads and also check the rotors for the brakes and be sure they are not out of round from heat. As a rule if the pads are replaced the rotors will be turned or at least checked. Hope this helps.
Most probable cause if the braking action is moderate is warped disc rotors
the warped disc pushes the piston in and out and that is the sensation at the pedal
if it is under sever braking , it will be the action of the ABS loosing and making pressure to stop wheel skid
get a proper diagnosis from an accredited brake specialist shop
if the discs are warped but within machinable limits , that may fix it for a while , otherwise get quality discs
I just replaced all that. Now they are thinking transmission
easy enough to check
run the fault codes and if nothing shows up go to an accredited service shop that has experience on your make of vehicle
I would be looking at failing cv joints before a transmission as there is no connection between brakes pulsating an a transmission causing that pulsation
I suggest that transmission change is a rort because the shop has no idea were all the replacement parts new out of the box or second hand
I had a friend take it for a ride and he said it has a rough or hard downshift
if that is the case then there is no connection between that and pulsating brakes which was your original statement
perhaps it is a miscommunication between what you describe and what is actually happening when slowing down
To eliminate any misunderstanding of the terminology used, take it to an accredited transmission specialist shop for a proper diagnosis by people who have experience on your make of vehicle and then take it to an accredited brake specialist shop for a diagnosis of the problem
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Had all new brakes and rotors put on. Thinking it's the transmission
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