Do you have to bleed a new master cylinder?
Get the Air Bubbles out of Your Brakes If you install a new master cylinder, you’ll have to bleed your brakes; there’s no way around it. Bleeding a master cylinder can seem like it takes forever. The pros use strong vacuum pumps to suck the air bubbles out of the braking system quickly, but we don’t have these at home.
How do I know if my master cylinder is working?
Use a screwdriver to press and hold the plunger in the rear of the master cylinder. The plunger should be very firm, if not immovable, past a few millimeters. If the plunger keeps moving in, this indicates a fault of at least one of the internal seals.
What kind of engine does the Toyota 4Runner have?
Currently, Toyota only offers the 4Runner with a V6. But the 4 th -gen 2003-2009 Toyota 4Runner also offered a V8. The 4 th -gen Toyota 4Runner has had some notable issues, rusting frames being particularly egregious, but the later 2007-2009 models are just as off-road-capable as new 4Runners.
Is there a way to fix a Toyota 4Runner V8?
This is also the most expensive solution, as many Toyota 4Runners with V8s are out of warranty. It is possible for a skilled mechanic to simply weld the crack shut. However, it appears that this is, at best, a temporary fix. The weld fixes the crack, but it doesn’t fix the problem with the metal itself. There is another solution, though.
Why does my Toyota 4Runner have a secondary converter?
So, as Toyota 4Runner owner forum users explain, to help the V8 comply with emissions standards during cold starts, Toyota incorporated a secondary converter into the exhaust manifold. “No winter maintenance”? Alllllllrighty then
Are there aftermarket exhaust manifolds for Toyota 4Runner?
It is possible to fit aftermarket exhaust manifolds/headers to the 4.7-liter V8. Commonly-recommended brands are Doug Thorley, Pacesetter, and Dorman. Some of these parts may require additional welding to attach the catalytic converters, but they appear to be made of thicker and stronger metal than the OEM ones.