Question about 1996 Pontiac Grand Prix

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1996 Pontiac Gran Prix can't access rear spark plugs

Do I need to tilt engine forward?, And if so, do I need an engine lift?

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  • its420_us May 11, 2010

    No you do not need a engine hoist. Remove your upper engine mount on the front of the vehicle, put the car in neutral, pull the engine forward (with a large pry bar), then lock it in place with the bolt from the engine mount. Make sure you chock your wheels so your car doesn't roll away.

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Dont understand the?

Posted on May 31, 2009

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Install three back spark plugs 2004 pontiac bonneville


there is a tool that replaces the dog bone upper motor mount that allows you to roll the engine forward which tilts the engine to give you more access to the rear plugs. you can also remove the upper mount and using a large bar roll the motor forward and block into place will do the same.

Oct 14, 2014 | 2004 Pontiac Bonneville

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How do I replace spark plugs on the back or right side of the engine?


There are two ways to replacing the 3 rear spark plugs.

1. You can remove the two dog bone engine mount in front of the engine bay and tilt the engine forward, so you can reach the spark plugs over the top of the engine with extension and swivel with the ratchet.

2. You can jack up the front end up and go from the bottom of the van. Your going to also need to use extension and a swivel with the ratchet and have to work by feeling your way around.

Careful not to damage the spark plug wires if your not going to replace them.

Good luck and be safe, the easiest way for you to tilt the engine forward is to place the transmission in park and place the parking brakes on with a block in front and behind the back wheels. Disconnect the dog bone engine mount, remove the block from the front of the back wheels. Take the parking brakes off and push the Montana forward and this will tilt the engine forward. Once tilted, place the parking brakes back on and relocate the block to the back wheels.

Follow the instructions in revers to connect the bog bone once again and be safe, better that you have someone help you tilt the engine if your going to do the #1 method.

Thank you for using fixya

Oct 10, 2010 | 2002 Pontiac Montana

2 Answers

How do you Replace the Spark Plugs on a 1999 Pontiac Montana


The three front ones are simple and the three back ones are challenging. There are two ways to replacing the rear spark plugs on the Montana.
1. If your arms are long enough and you have longs extensions with a spark plug socket with a swivel build in to it, you can get to the plugs from under the Montana.
2. You can get to the rear plugs buy disconnecting the two dog bone engine mounts in front of the engine and tilting the engine forward. You can do this by placing the parking brakes on and disconnecting the dog bone, once that is done. Place your foot on the brakes and take the parking brakes off and push the Montana forward till the engine tilts forward enough to give you the room you need to get your arms over the top of the engine with the extensions and spark plug socket. Make sure you place the parking brakes back on and put a block at the rear of the engine to ensure the Montana will not move back and cause you to loose your arm or head.
Note that you need to keep the transmission in park when tilting the engine and that your going to have to replace the spark plug wires and do everything by touch to replace the rear spark plugs.
Thank you for using Fixya and use platinum spark plugs to give you 100,000 miles of service. Good luck and be safe.

Jul 20, 2010 | 1999 Pontiac Montana

1 Answer

My 2004 gran prix (gtp) just hit 100000 miles. What maintenance needs to be done now?


Spark plugs, transmission fluid and coolant change, supercharger oil, air filter, fuel filter, tires, brakes, engine mounts, BTSI inspection and power steering fluid. Also inspect the belts, hoses, pulleys and look for wiring damage.

Jul 02, 2010 | 2004 Pontiac Grand Prix

1 Answer

Does the crank sensor send the spark to the spark plug and can i fix this? this is for a 98' pontiac gran prix


yes the crank sensor sends a signal to the computer to fire the plug through the ignition control module which then fires the coil.

May 28, 2010 | 1998 Pontiac Grand Prix

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Need assistance in changing plugs on the backside of 3.1 engine on 1992 pontiac gran prix


There are two motor mounts on top of the motor connecting to radiator support. Remove these. Use a ratchet strap, connected to a bracket. Should be one on top of the motor, the other end connect it to the radiator support or front bumper. Tighten strap. Motor moves forward for easy access to backside.

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2 Answers

Changing spark plugs in a 2000 Poitiac van.


There are a few ways to doing this, and it takes time and a few band aids. You can remove the alternator to give you some room to access the rear spark plug with an extension and swivel spark plug socket. You can also get to the plugs from under neath if you have a ramp and long arm, an extension and swivel spark plug socket will help. You may have to use a 2x4 to wedge the engine to give you some room if you have larger arms. The other way is to tilt the engine forward by disconnecting the two top engine mounts. First replace the 3 front plugs and wire one at a time so you don't cross them. After you have changed the front plugs have a friend help you. Make sure the parking brakes are on and disconnect the two top engine mounts, release the parking brakes and let the transmission in park. Push the van forward slowly to tilt the engine forward far enough to give you room with out pushing it to far in to the radiator. Put the parking brakes on again to keep the van from rolling back and place a block of wood behind and in front of the rear wheels. Don't want to lose an arm. Replace the rear plugs with extensions and a swivel spark plug socket. Note, your going to have to replace the spark plug wire since the rear ones are really hard to remove and pulling on then will destroy them, not worth the headache trying to save them. Use platinum plugs so you can get 100.000 miles before you have to change them again so use anti-seize on the plugs so you can remove them again. Good luck and hope this helps, I personally go from under the van. 

Jul 06, 2009 | 2000 Pontiac Montana

2 Answers

Changing spark plugs in my 1996 lumina van with 3.4L engine w a/c it looks like a bear of a job, cant even see plugs from under neith


To access you rear plugs, you need to disconnect the front top engine mount, then put the vehicle in neutral and pull the engine forward (with a large pry bar) and lock the engine to the mount base using the engine mount bolt. Don't forget to chock your wheels so the vehicle doesn't roll away. And really, the job isn't difficult at all.

Jun 12, 2009 | 1995 Chevrolet Lumina

1 Answer

Change spark plugs 93 grand prix


ok you should remove the doge mounts in the front and tilt the motor forwers

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