Question about 1999 Pontiac Montana

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Changing spark plugs on montana does engine tip forward to reach back plugs

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No you have to jack it up and put it on blocks and get them from underneath the vehicle.

Posted on Oct 02, 2010

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1 Answer

How to get engine rolled forward in a pontiac 2000 van to change plugs


Hi, I have one too, changing plugs is a pain. for the back three plugs I had to put the van on car ramps and reach up from the bottom. There is not much room, but can be done without having to role motor. Good Luck

Aug 23, 2011 | 2000 Pontiac Montana

1 Answer

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

2 Answers

Change the spark plugs


remove the coilpack on the top back side of the motor and you can reach right over the top to get at them

Jul 17, 2009 | 2000 Pontiac Montana

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

1 Answer

Changing sparks plugs in a 2000 pontiac montana


remove the ignition coil pack ( 2 10mm bolts on front of it and 2 13 mm nuts on the back side) u will need a long extension and deep socket for the back ones , and unplug all electrical connectors and remove it from the vehicle and you should be able to reach the back plugs without a problem.

Jul 04, 2009 | 2000 Pontiac Montana

1 Answer

Need diagram for changing spark plugs


you can either reach them from underneath(its still tight too get too)
or take lose the the motor mount on the top passenger side and rock the engine forward!!!

Apr 15, 2009 | 1990 Ford Taurus

2 Answers

Plug changing


take the two motor mounts off the front of the van this will allow u to get to the back 3 plugs or u can crawl underneath where the exhaust comes down at there is enough room to do it that way also

Mar 14, 2009 | 1999 Oldsmobile Silhouette

1 Answer

Changing spark plugs


Same way you changed the front, but harder. You have to remove the air cleaner and hoses, then you can reach around the back side of the motor. Pain in the ****.

Mar 13, 2009 | 2002 Pontiac Montana

1 Answer

Tune up


Slipping tranny can be caused by that. Rule of fixing cars is if not sure start cheap. Replace the Filter and fluid. Also it wont hurt to put in Lucas Transmission Additive with the fluid change. Change plug 2 ways if it has motor mounts on top then disconnect them and pull the engine foward. or

No need to rotate engine as I was told that sometimes this causes damage to exhaust link which is flex. First two plugs can be reached by going along the same channel as exhaust pipe from header runs. Last plug remove right side tire and you can reach up by body to change it. This one is blind, but it's possible.

Oct 23, 2008 | 2000 Pontiac Montana

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