My booster pump / accumulator / master cylinder has started making the dreaded 'I'm about to fail' noise. I have a brand new OEM unit in stock. Anyone done this job? Any tips / hints? Thanks in advance.
First and foremost: Brakes should only be worked by those, with high level of mechanical abilities and experienced with brake systems.
With the age of all 100 series today, in our aging fleet. Any issue, with brake master assembly. IMHO, best and safest course of action. Have the whole brake master assembly, replaced with new. If you have to ask question, on "how to", your not qualified to work on the master.
My hope is below link will give better understanding as to what we can do to reduce brake failure and what to watch for. The info is from my experiences and my thinking, as to what...
Not much to it, just swap the part. Need to remove the charcoal canister to get access.
You'll want the gasket that goes between the master cylinder and the firewall (mine was 44785-60010). Also plenty of new fluid (00475-1BF03). I ordered (7) 12oz bottles to refill and flush the lines.
Note that one of the part numbers for the complete assemblies is apparently no longer available but all that changed was the 3-wire pigtail, so it necessities a pigtail swap.
This may all be covered in the big thread posted above.