brake booster pretty easy just remove two bolts in master cyl then like four in booster and it slides off buy one and you wil see might not even have to remove master just take out the bolts and move it some but you can find most car repair by typing into search box like how to replace brake booster or how to replace fuel pump relay could try autozone.com type in your car info and get where to buy it how much it cost and also find how to install it and sometimes if you typoe like how to replace brake booster video sometimes you wil get that was well most any car repair online just way to you it in try how to repalce brake booster 1986 honda civic wil work most of time