Intake manifold on 2000 Mercury Grand Marquis

I have heard alot of people saying there intake cracked on there grand marquis but on my 2000 mgm I have a factory intake and I havent had any problems yet! So should I switch to the new one or just keep what I have?

by in Warner Robins, GA on February 08, 2011
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5 answers 1 comment
ANSWER by , February 08, 2011
Napa has replacement Intake Manifolds $284 plus shipping
ANSWER by , February 17, 2011
the manifolds usually cracks after 100,000 miles you will see mad amount of antifeeze just don't run it hot and replace with aftermarket intake.i have had 3 intakes go on 3 different grand marquis.i have only really had problems with that and ball joints in 10 yrs iv'e owned grand marquis,Great car though overall!!!!
ANSWER by , February 08, 2011
the factory one is the one that cracks. the ends are made of plastic and either warp or crack. the new ones are made of metal on the ends so it does not happen again. Roy
COMMENT by , June 23, 2014
Ford engineers are real no brainers to bond plastic to metal in these intake manifolds. Elementary physics tell us that metal and plastic expands, contracts at different temperatures. How many cycles, cold, hot, cold, can the manifold take before the plastic and metal becomes detached to cause a leak? Its a built-in timed disaster the Ford engineers engineered to lightened your wallet!
ANSWER by , February 08, 2011
When you say original you mean the front of the intake manifold is plastic not steel correct? If it is plastic and I could afford the repair I would replace it. If you wait till it leaks you could be asking for more trouble than you want. If you have around 100,00 miles on it I would have the V/C gaskets done also. It is much easier to do the V/C gaskets in conjunction with the intake manifold.
ANSWER by , February 08, 2011
If yours hasn't had any problems I wouldn't worry about fixing it as long as when/if it cracks it doesn't cause any additional problems...If there is risk of other problems occurring if the manifold cracks then yes I would replace it.