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Question DetailsAsked on 3/7/2016

Vacuum Line/Brake Booster Line Location 2004 Toyota Camry LE 4 Cylinder

Can someone please tell me if the vacuum line/brake booster line is the one with the gold cap behind the brake fluid reservoir? I am trying to put some seafoam motor treatment in the vacuum line/brake booster line to reach the cylinders to clean? Or can you explain where it is?

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1 Answer


Google this search phrase for instructions and videos on vacuum line location and issues -

2004 camry LE 4 cylinder brakevacuum booster line location

However, putting it into the vacuum line not only risks damaging the brake system from contacting the rummber parts in the booster diaphragm assembly, but the vacuum line does not go to the cylinders - that would put the seafoam in the intake manifold or throttle body depending on engine model - so most or all of it would pass through the cylinders in one short period then out the exhaust rather than have prolonged contact as it would mixed with the engine oil, which will get it to the rings and cylinders.

Per Seafoam manufacturer recommendations (not that I recommend using this type of product), you just pour it into the engine oil filler tube - same place you put in the oil, and recommended to be done at time of oil change.

Answered 3 years ago by LCD

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