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Still sounds off. Take the #1 spark plug out, put your finger in the hole and have someone bump the starter around. As soon as you feel pressure, or a whoof sound (air coming out the hole), stop cranking. Look at your timing scale on the crankshaft pulley: You should be very close to the zero scale on the pointer. Put a socket and wrench on the crank pulley if needed to turn the crank on around (clockwise) until the notch or line on the pulley is right with the zero mark on the pointer scale. Now you are at top dead center of the compression stroke on #1. Take off the distributor cap. The rotor should be pointing directly to the #1 spark plug wire tower. Now that you have #1, follow the firing order around in the direction the rotor turns to check if each of your plug wires are in the right place. Firing order should be stamped on the intake manifold. If a 350 engine, firing order is 1-8-4-3-6-5-7-2. You might need to check that, only going by memory from couple days ago when I had to do this. The cylinders on the driver's side are 1-3-5-7, front to back. On the passenger side, cylinders are 2-4-6-8, front to back.
The filter is a cartridge element type which is located on the forward side of the engine on the drivers side; (below and slightly left of the power steering reservoir). The oil filter is located under (inside) a black cover about 3-4 inches around and has a large hex head nut molded on top of it, to fit a socket on it. When replacing the oil filter element, press the tipped O-ring side of the filter down into the filter cavity until it locks in place. Then place the cover on top and tighten it. The cover will automatically lock onto the top section of the oil element as it is being tightened.
A 2003-05 Sunfire most likely has the Ecotec 2.2 motor. The filter is a cartridge element type which is located on the forward side of the engine on the drivers side; (below and slightly left of the power steering reservoir).
The oil filter is located under (inside) a black cover about 3-4 inches around and has a large hex head nut molded on top of it, to fit a socket on it. When replacing the oil filter element, press the tipped O-ring side of the filter down into the filter cavity until it locks in place. Then place the cover on top and tighten it.
The cover will automatically lock onto the top section of the oil element as it is being tightened. The drain plug is pretty standard and on the oil pan. However, most people are accustomed to a metal oil pan, and when viewing the Ecotec motor they confuse the metal TRANSMISSION pan as the motor oil pan.
The motor oil pan is actually aluminum, and looks like a continuation of the upper motor. For that reason, you don't "see" an oil pan. Knowing this fact, the oil drain plug is now easy to locate. Look at the far passenger side of the metal transmission oil pan. Now look at the very front of that section of the transmission oil pan and follow that ''line of sight'' until you reach the bottom of the aluminum motor (''oil pan''). The oil drain plug is right there, with it's head facing towards the transmission oil pan.
The drain plug (on a 2005 Sunfire) requires a 15mm wrench/socket; and has a built in rubber seal, which should be lubricated with oil before tightening.
#1Cly.is on passenger side.firing order is counter clockwise on dis. 13726548 with from factory #1 on dis. cap is drivers side just left of center rear of cap .bird eye looking 4four we-rd 7 o'clock i think you were rite if you were looking from in front of the car
If this is the 2.7L then it is on the passengers side on the engine block just above the oil filter. It sticks out of the block by about 2 inches. You will need to access it from the bottom by jacking up the front passenger side.
Replacement: (approx. 10 minutes to do)
You will need to use a small flat head screwdriver to get the wiring harness off as it is held by a small red colored tab. Once you have got the harness off you will need to unscrew it using a deep socket (size 1 1/16th inch) The new one should come with teflon tape already on the threads, screw it in place and put the harness back on and you are good to go...
number 1 plug wire should be pointing towards the front drivers corner . drivers side piston order is 1-3-5-7 front to back .passengers side front to back is 2-4-6-8 then the firing order is 1-8-4-3-6-5-7-2 . if you pull the # 1 spark plug and put your finger in the hole /remover power wire while doing this at the dist.bump the engine when you feel a rush of air that's the compression stroke when the piston is at the top of it's compression stroke . pop the cap look to make sure the rotor is pointing at the # 1 piston roughly and place cap back on so the # 1 terminal is over the wire end of the rotor contact tip and work clockwise around with the firing order and hope this helps .if it still dont want to run then you may have jumped timing chain or stretched they will jump out of time and cause a headache.
I had the same problem and found that this is caused by the Dual heater Control Valve malfunctioning.
The DHCV can be purchased at Rock Auto Parts for around 150.00 and can be replaced in around 30 minutes. This valve controls the hot water flow for the heater core for each side of the passenger compartment and when it fails, it's default is "open" which allows the hot water to flow freeley for whatever side failed. It is located on the passenger side front about 6 inches down from the top of the radiator. You will need some patience and some mechanical skill to replace it but its not terrible.