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Ford Thunderbird
Isuzu Trucks

Where is the brake booster vacuum line connected to?

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2011-06-28 07:02:52
2011-06-28 07:02:52

the line is connected to the carburettor if you have one or to the intake manifold after the throttle valve. The purpose is to connect intake vacuum to the booster.

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If you have a booster you need a vacuum line to perform effectively, disc or drum.

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No, the brake booster operates off of vacuum not electricity. If the booster isn't working then check the vacuum line going from the intake manifold to the booster. If the line is ok and not leaking then you need to replace the booster.

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Yes, it is typically in the fitting on the booster where the vacuum line is attached.

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If you have power brakes it may be the vacuum booster. The booster may be going bad, the check valve in the vacuum line or a cracked vacuum line.

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The Vacuum line usually connects to the brake booster , or atleast it does in my Ford explorer

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The Brake Booster is mounted on the firewall and the master cylinder is mounted on the booster. Look at the booster and you will see a very large vacuum line coming from the booster.

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No, the power brake booster has the vacuum line going to it.

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Sounds like your power brake booster diaphragm is busted or there is a leak in the vacuum line going to the brake booster.

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The brake booster will have a vacuum line going to it on a non abs system.

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You may have a brake booster that is leaking. The diaphragm may be busted. You will need to remove the brake booster vacuum hose and do a vacuum bleed down test. If the booster will not hold vacuum it needs replacing.

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Remove master cylinder-hopefully there is enough room not to have to disconnect brake lines Remove Brake pedal linkage at brake pedal Remove vacuum line Unbolt and twist vacuum booster to remove

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Drivers side, mounted on the firewall, behind the master cylinder. Coming from that booster is a large vacuum line.

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look on the brake booster located on the drivers side of the firewall. the vacuum line should run to it

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If you have a power brake booster then there will be a vaccum line that runs to the brake booster on the firewall from the carburator. Check the booster for holes and broken fittings or buy a new booster. if no brake booster then brakes shouldn't affect vaccum

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Normally the vacuum line from a brake booster goes to the intake manifold of a gasoline engine. Sometimes other lines will be tied in to feed vacuum to cruise control pots or 4x4 actuators, but the main hose will be larger.

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on a vacuum type booster there is usually a vacuum leak. either on the rubber line that runs from the booster to the engine, or a hole in the diaphragm inside the booster. the rubber line is easy and inexpensive to replace so i would check it first. if you have a hole in the diaphragm the only way to fix it is to replace the booster.

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It sounds like a vacuum problem. Either you got a bad brake booster or the vacuum line came loose somewhere or cracked when you changed the booster.

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Your vacuum booster is leaking or possibly the line to the booster. You will probably need a new vacuum booster/master cylinder assembly.

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Check the brake booster vacuum line, if it is good then it may be the booster itself. Of course check the obvious first, fluid level, brake bleeding, pad and shoe wear.

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Usually a vacuum leak, check your power brake booster hose first, then any other vacuum line for cracks, breaks, or disconnection.

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Apply vacuum test to the booster. If it does not hold vacuum it is defective. You can borrow a vacuum gage at most auto parts stores. You could go lazy man's style and just take the vacuum line off of booster. If the brakes are as hard as concrete, then put it back on and the pedal is smooth, you got yourself a decent working unit.

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Well there are lots of possible reasons, BUT Li key it is a vacuum leak, either the hose of Brake booster, and or intake is / has a leaking vacuum line.

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If you have power brakes look where the large hose that goes to the brake booster connects to the engine and that is your main vacuum source.

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I would suspect a leaking brake booster. When you apply the brakes, the extra vacuum needed, causes the engine to stall. Check the brake booster vacuum line and the booster itself. You also might want to replace all vacuum lines if the car is over 10 years old.

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I would try bleeding the brake lines first to make sure there is no air in the lines. Could be the brake booster (if applicable) or even the master cylinder. If your car has a brake booster maybe check the vacuum line on it first.


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