I have a '96 nissan quest minvan and i need to remove the intake to replace the lifters and timing belt. however there are no clear diagrams of the intake manifold. i would like to know where i can get a diagram or a simple solution to the problem.
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Pcv hose on upper rear of intake manifold rotted through and causing a vacume leak. spray carb cleaner at mid rear of manifold and idle will drop and stall. pretty hard to replace but thats nasty nissan.
remove the intake manifold ,remove radiator ,remove radiator intake and outake housing, remove fan ,remove all belts: power steering, alternator and if you have a/c, remove harmonic balancer ,remove timing belt covers, remove timing belt remove intake housinng once you have remove all the above, your freaken engine will look naked, you can see the location of the knock sensor is locate in the engine valley
I know that the knock sensor for a 1998 Quest with a 3.0 is located on the passenger side of the engine compartment under the intake manifold. You should be able to find the wiring and connector next to the intake manifold. To access the sensor, you have to remove the upper and lower intake manifold. The sensor is on the block between the heads. Hope this helps.