Question about 2003 Pontiac Montana

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Van randomly turns itself off. When you try to restart it it will crank but not start. If you let it sit for 10 to 20 minutes it will start right up like nothing happened. Why?

While driving my 2003 pontiac montana will just turn itself off at random. When I try to restart it it will crank but not start. If I let it sit for 10 to 20 minutes it will fire right up like nothing happened.

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Sounds like a crank sensor.

Posted on Nov 04, 2012

  • Jc John Morton
    Jc John Morton Jun 20, 2014

    itdoesnt turn it self of it after i turn it off it does this but not all the time

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Posted on Jan 02, 2017

freetek
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SOURCE: pontiac montana turn signal flashing too fast

At:
http://townhall-talk.edmunds.com/direct/view/.f101976
found this discussion which might be helpful:
----
No surprise at all! Common problem which has been discussed several times on this site.
Basically.....tail light(s) plugs (Pig Tails) were sub-standard and cannot stand the heat of the bulbs. Pull out hear tail light fixtures, remove bulbs from recepticals and check for melting plastic, usually between the black wire (hot wire) and one or more colored wires. If so, cut out old Pig Tail, get a replacement Pig Tail, soder it in (I think about 6 wires), and use electrical shrink wrap around sodered joint, install new bulbs using Di-electric grease in the socket. Test before reinstalling light fixture.
Jack
-------
The poster also mentioned something I forgot; use some kind of grease in the sockets any time you have reason to access them.

The dielectric grease he mentioned is best but if you can't find (it is and electronic item, rather than electrical), even petroleum jelly will afford some protection.
I use it on battery clamps and it helps ****** the typical corrosion.
Since most cars use the chassis for ground, even the fasteners that hold in lighting assemblies can lose contact so I always loosen, then retighten them, to ensure decent ground contact.
Check too for corrosion in the light sockets themselves.

Dunno why it is so tough to seal a compartment but our US manufacturers can't seem to get it right.

//

Posted on Jun 29, 2008

  • 1 Answer

SOURCE: real right turn signal light - Pontiac Montana SV6 2005

If the 2005 Montana is similar to the 2001 Montana, I have a solution. First you'll need a hexagonal wrench (the 6-sided L-shaped wrench). The tail light assembly is held on by two screws. You'll need the hexagonal wrench to remove them, because a normal screwdriver won't do it. I also had to use a conventional adjustable wrench to get the leverage to turn the hexagonal wrench, because the screws were in there pretty tight. Once you remove the two screws, the whole tail light assembly should come off. Mine required a little force and I had to play with it a bit, but it came off without a lot of work. There will be one set of wires that connects the tail light assembly to the rest of the minivan--try not to damage that set of wires. Once you get the tail light assembly off, you'll have to take apart the assembly that actually holds the lights. No tools should be required. It's held on by four plastic catches. Just undo the catches (easier said than done, but still not too tough) and it comes apart. Then you can pop out the old light and pop in the new light. Then re-assemble. For me, it went back together much easier than it came apart.

Posted on Jan 03, 2009

  • 3 Answers

SOURCE: where is the ecu in a 99 pontiac montana van

The ecu is located under the Air filter housing on my 99 montana

Posted on Jan 17, 2009

  • 67 Answers

SOURCE: can't remove back seats of 2007 pontiac montana

Had same problem with my '04, yank HARD, lol. Warehouse guy walked up, grabbed the cord and bang! up it popped. Good Luck.

Posted on Jan 30, 2009

  • 1 Answer

SOURCE: transmission problem 2004 pontiac montana van

my 2000 montana just started to do this mine is the TCC (torque converter control) switch inside the tranny dealer said around $2000 to put it in and the part only cost $52 and lucky me im outta warranty isnt that funny how that works i think im just gonna sell it HOPE THIS HELPS YOU GUYS

Posted on Apr 10, 2009

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