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because it is
The prior answer is incomplete at best.
An Intake manifold for an engine is torqued to specifications that guarantee there are no leaks of vacuum, oil, or water from being ingested into the engine.
The seal on the intake manifold is critical to the eventual operation of the engine and it's correct mixture.
That being said, the torque or just the tightness needs to be sufficient for a seal and may function well if it is sealed even if it is not torqued, but it is not recommended.
As a side note, many torque values on cars are given because they had to specify something, not necessarily because it is 'critical'.
What else can I help you with?
Does 5.9 cummins exhaust manifold come loose?
Yes, the exhaust manifold on a 5.9 Cummins engine can come loose over time due to factors like thermal expansion and contraction, vibrations, and improper installation. Regular inspection and maintenance are important to ensure that the manifold bolts are properly torqued and secured. If you notice exhaust leaks or unusual noises, it's advisable to check the manifold for looseness or damage.
What happens if points are not working properly on engine?
You will have poor or no ignition.
When RPM in a reciprocating engine with a constant speed propeller is decreased by the pilot what happens to engine Manifold pressure?
MP goes down
What is the difference between an intake manifold and an exhaust manifold?
The intake manifold is where the air and fuel mix and enter the engine. The exhaust manifold is where unspent gas and air exit the engine. In other words the intake manifold is where the engine breathes in and the exhaust manifold is how the engine exhales out.
Would a bad manifold gasket cause gross vacuum leak at the intake?
Yes. If an intake manifold gasket was not installed properly or has somehow become damaged the engine will pull air through the opening.
How can a rocker arm on a 1990 Geo Tracker be replaced?
By removing the valve cover from the engine, then removing the rocker nut on the bad rocker. Refer to a technical manual for torque specifications, as this must be properly torqued!!!
Where is the oxygen sensor in a 94 caravan?
In the exhaust manifold behind the engine.In the exhaust manifold behind the engine.
Where is the oxygen sensor on a 1993 dodge shadow?
In the exhaust manifold on the back of the engine.In the exhaust manifold on the back of the engine.
How do you tighting the rocker arm bolts on a 1992 Firebird with a 3.1 v6 engine?
The studs themselves are torqued to about 45 foot pounds. The nuts are torqued to 20 foot pounds.
Where is the engine manifold on a 1999 Chrysler Town and Country?
The intake manifold is on the top center of the engine. The exhaust manifolds are on the front and rear of the engine.
Is it hard to fix a manifold leak on 351 ford engine?
is it hard to fix a manifold leak on a 351 ford engine
What causes looes heads 1974 volkswagen?
Not being torqued in the right sequence when the engine was serviced.
