Question about 2002 Chevrolet TrailBlazer

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How are the engine cylinders numbered, front to back?

I have a 2002 trailblazer with a 4.2. Are the engine cylinders numbered from front to back as in the front being #1 and the rear being #6

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One of the easiest ways to remember is what cylinder head is slightly further ahead at crankshaft end. That first plug, is #1 (right side on yours) Right side 1, 3, 5. Left side from front, 2, 4, 6.

Posted on Apr 13, 2009

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2002 malibu 3100 engine i need number 1 thru 6 cylinders


The engine is mounted transversely (sideways)-the front of the engine is on the passenger side where the serpentine belt runs. On the backside bank, bank one, closest to the firewall, are cylinders 1-3-5, from front of engine to rear. So number one cylinder is on the back bank, and nearest to the passenger side of the car (bank simply refers to which side of the engine on a v6 or v8, bank one or bank two. Bank one is always the side where the #1 cylinder is located, and bank two is the opposite side.) On the front bank or radiator side, bank two, the cylinders are 2-4-6, front to back of engine.

The firing order is 1-2-3-4-5-6, easy to remember.

Dec 15, 2015 | Cars & Trucks

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Is number 1 plug at the back and where is the coil


The number one cylinder is always in the front of the engine.
The 4 cyl engine uses one coil for all 4 cylinders.
The 6 cyl engine uses one coil on each plug.

Apr 17, 2013 | 2002 Mazda Tribute

1 Answer

Which cylinder #4 2002 trailblazer


Start from front of engine (near radiator) #1 plug is at front, then count back towards firewall.

Apr 07, 2013 | 2002 Chevrolet TrailBlazer

1 Answer

Is the #3 sparkplug in the front or back


The #3 cylinder is in the rear bank of cylinders below the windshield. They are numbered from front of engine (by belts) 1 2 3. The front three cylinders nearest the radiator are numbered front front of engine (by belts) 4 5 6.

May 10, 2011 | 2002 Mazda MPV

1 Answer

Where is the engine serial number located on 2001 chevy trailblazer. thanks


Small Block Chevy: Machined pad in front of the passenger side cylinder head. Often hidden by the alterator.

Big Block Chevy: Above timing chain cover.

Six Cylinder
: Passenger side of the block behind the distributor

Dec 28, 2010 | 2002 Chevrolet TrailBlazer

1 Answer

Where is the number 4 spark plug


There is a cover on the passenger on top of the engine that needs to be removed first.Once the cover is removed starting from the front of the engine number 4 cyl is the fourth one back. If this engine is an inline 6 cyl 4.2 the cylinders are numbered starting from the front of the engine 123456 number 6 is closest to the firewall.

Nov 25, 2010 | 2004 Chevrolet TrailBlazer

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Location of the number 5 cylinder


when looking at motor from front ......4-5-6 are front of motor...1-2-3 on back of motor by fire wall ....#5 is center plug on front of engine

Dec 27, 2008 | 2002 Ford Escape

4 Answers

2004 ford escape


well i could tell you if you told me what engine you have?

Sep 16, 2008 | 2002 Ford Escape

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