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First to change the spark plugs 1, 3, and 5 on the Chrysler Sebring its required to uninstall the upper intake plenum, so you could get to the rear spark plugs, benieth the plenum. Here are the steps for removing and replacing the plugs on cyl 1,3,and 5 of the V-6:

Disconnect negative cable from auxiliary jumper terminal (I believe this is the ground wire tied to the strut tower on the driver's (left) side of the car).

Unplug the connectors from the MAP sensor and (just to its front) the intake air temp sensor.

Remove the plenum support bracket bolt located rearward of the MAP sensor

Remove the bolt holding the air inlet resonator (the thing with words "multi-point injection") to the intake plenum.

Loosen throttle body air inlet hose clamp

Release snaps holding air cleaner housing cover housing

Remove air cleaner cover and inlet hoses from the engine

Unplug throttle position sensor and idle air control motor connectors.

Pry retainer tab back on throttle cable and slide cable out of bracket. Remove cable from throttle lever.

Slide Speed control cable out of bracker, if equipped. Remove cable from throttle lever.

Remove EGR tube from intake plenum.

Remove plenum support bracket bolt located rearward of EGR tube

Remove bolts holding upper intake plenum and remove plenum

Always remove the ignition cable by grasping at the spark plug boot turning the boot 1/2 turn and pulling straight back in a steady motion

Prior to removing the spark plug spray compressed air around the spark plug hole and the area around the spark plug to keep debris and dirty oil from falling into the cylinder. These loose debris can cause serious dammage.

Remove the spark plug using a quality spark plug socket with a rubber foam insert. Inspect spark plug condition. To avoid cross-threading start the plug into the cylinder head by hand

Tighten the spark plugs to 20 ft-lbs (28 N-m)

Install ignition cables over spark plugs

Install new gasket and position upper intake plenum. Tighten blots to 13 ft-lbs (18 N-m)

Install bolts at plenum support brackets (Same torque as above)

Install EGR tube at plenum. Tighten EGR tube to intake manifold plenum screws to 8 ft-lbs (11 N-m)

Install throttle and speed control (if equipped) cables

Attach electrical connectors to sensors.

Install air inlet tube clamp to to 25+/- 5 inch pounds (3 +/- 1 N-m)

Connect negative terminal to auxiliary jumper terminal.

It's required, by manufacters orders, if changing the spark plugs, in addition, need to change spark plug wires and distribuator cap and rotor. Lastly,you're going to need the proper tools for this.The tools you need are 3/8 ratchet and a set of different sizes of sockets.In addition,be careful when disconnecting the sensors around the manifold,keep everything label for rememberence.

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βˆ™ 2007-09-03 01:12:54
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Q: How do you change spark plugs in a 1999 Chrysler Sebring?
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