Question about 2005 Mercury Montego
I would replace them because they are made to compress one time when the bolts are tightened. They are not very expensive and you can shop around for price. You could use some ATV High Temp on both sides of the gaskets as a filler and leveler, but you will risk debris going down the heads when you remove the Intakes next time. You will also have to clean the surfaces of both parts creating more work for yourself next time.
Posted on Nov 13, 2010
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Posted on Jan 02, 2017
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Unscrew the bolt that holds the negative connection to the Impala's
battery. Set this bolt aside for later use.
Remove the engine cover to access the intake manifold and manifold
gasket. Disconnect the throttle body inlet duct from the engine.
Twist off the radiator cap to allow draining of the coolant to flow more
smoothly. Place an empty container beneath the radiator's drain plug, and
remove this plug. Allow all of the engine coolant to drain into the empty
container. Replace the drain plug once you are finished.
Tag all of the electrical wiring and hoses before removing so that
reconnection is precise to factory settings. Remove these parts, individually,
from the intake manifold.
Loosen the bolts that hold the intake manifold to the Impala's engine
block. Lift the intake manifold from the block once all bolts have been
Use the flat-head screwdriver to pry the old intake manifold gasket from
the engine block. Discard this part once you have removed it.
Clean the engine block thoroughly with the engine degreaser and linen
cloth. If necessary, use a gasket scraper to remove excess buildup and grime.
Place the old intake manifold on top of the newly-installed manifold
gasket until it aligns with all of the holes of the cylinder flanges and
Attach all of the bolts with your hand to the manifold. Once all bolts
have been positioned, use a torque wrench and apply 15 foot-pounds of pressure
to the bolts to secure the manifold into place.
Reconnect all of the necessary hoses and electrical wiring to the
intake. Pour the engine coolant back into the radiator.
Reattach the engine cover on top of the intake manifold and engine
block. Start the Impala's engine and check for any leaks around the new intake
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