Primary

[MNRX1]

hey guys gettin a loud "thunk" when I slow down or break real fast. is this the primary springs going bad or secondary? Also any know about the spring them self? Pink green pink are the colors? and will this work with a 98 sx??

 

[srx_eh]

Have you looked at your caliper (brake subsystem)?

 

[MNRX1]

No it seems to be comming from left side of sled and not right hand side.

 

[watersuper]

How does the belt look? Any shiny spots?

 

[yamaholic22]

it could be your secondary slamming closed if it is when you hit the brakes hard quickly