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Pontiac Montana Transmission Problems

59 messages,  Last post on Nov 23, 2009 at 7:24 PM

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#36 of 59 Re: A TSB Regarding a Transmission Upgrade? [writer] by writer Sep 26, 2007 (12:24 pm)
Replying to: writer (Sep 22, 2007 5:20 pm) I think I have found the TSB: It seems to be "06-07-30-011 May 06 A/T - 4T65-E Updated Internal Components." I would still like to find out what the update consists of, but as soon as they say "internal components" I can guess that the only way to make use of the upgrade is to rebuild the transmission. So that much answers what a good chunk of what I really wanted to know, which was, of course, if I could cheaply upgrade my current transmission. (Answer is "probably not cheaply.") Replies to this message: writer (Oct 01, 2007 2:57 pm)
#37 of 59 Re: slamming into gear [heritagehei] by oneeye1977 Sep 26, 2007 (3:46 pm)
Replying to: heritagehei (Sep 19, 2007 8:19 am) I took my 2000 montanain and they told me it was a PCS valve that was bad. They replaced it and it works fine now. The part wasn't expensive really, but you will have about 6 hours of labor when they replace it. they have to drop the tranny enough to take a plate off of it, which includes loosening the motor mounts. So you will probably have to take it to a dealer. they can do the work in a day usually. Shouldn't cost more than about 300 dollars, maybe a liitle more depending on the hourly rate they charge.
#38 of 59 Re: A TSB Regarding a Transmission Upgrade? [writer] by writer Oct 01, 2007 (2:57 pm)
Replying to: writer (Sep 26, 2007 12:24 pm) Regarding TSB "06-07-30-011 May 06 . . ." I have pretty much exhausted my usual sources (and more). I got a chance to see the TSB briefly, though I did not get to make a copy and bring it home. If you have the transmission repair manual (this goes beyond what is in the main minivan repair manuals), then the TSB is regarding the replacement of 2 parts in the transmission with new revised versions. The parts are bearing 671 and dam number 673. From the descriptions, it sounded like the point of the changes was probably to address the flow rate of the fluid, which would likely impact the lubrication and cooling. I doubt if the person I talked to has had any request to do this upgrade on a transmission, but he guessed that it would probably cost around $600 - $800 Cdn., if I had exactly that much work done (pricing at about $100 / hr. rate). If I want to do this, I can afford it.   In my case, this leads to even more questions. Because I have bought my 2003 Montana used, within the last couple of months, I have very little idea what kind of history it has had. Since it was built around May 2003, I expect that it has the new intake manifold gasket. If the engine made it this far (about 130,000 km) without an intake manifold gasket problem, I think I can trust that it is ok.   As for the transmission, there are reports posted of people having problems at around 150,000 km. So I might be on the verge of having a transmission problem. But such problems are not so precisely timed. What if my vehicle had a transmission problem at around November 2006, and it has already been rebuilt, and as a result of that, it also already has the upgrade? If the reports are typical, then it is not that unlikely. In that case, further work right now would be a complete waste of money.   So it seems unlikely that I should take my Montana in to service for just this much work right now. I think I will wait till some other problem shows up, and if it looks like the motor needs to be pulled, then that might be a good time to ask to have the transmission inspected and upgraded. At least that is how I feel about it today. I could change my mind tomorrow.   Anyway, do not expect that I will have anything more to say on this matter, hopefully for a very long time.
#39 of 59 trsnsmission problems by bc0205 Nov 17, 2007 (7:56 am)
i have a 99 or a 98 pontiac montana that drive fine on the highway but has a hard time getting going in stop and go traffic. does anyone know if this could be a tranny problem or something else? Replies to this message: soulman613 (Nov 18, 2007 3:42 pm)
#40 of 59 Re: trsnsmission problems [bc0205] by soulman613 Nov 18, 2007 (3:42 pm)
Replying to: bc0205 (Nov 17, 2007 7:56 am) Hello   I bought 03 Montana and I have the same issue like yours.   I have taken to different Mr transmision and even to GM and was told   I have to replace the Tranny or rebuild it.   It's not a good feeling. I got it from an auction at the beginning of this   year and they say it might cost you around 2500 dollar.   I know what you are going through.   Good luck & wish me luck too.   Bye now.
#41 of 59 Re: Pontiac Montana transmission problem [fclay] by soulman613 Dec 24, 2007 (9:15 pm)
Replying to: fclay (May 28, 2007 8:37 am) Thanks Frank for the feed back. To night is the first time I have loged into the forum. I will follow your advise and please send me any think , I mean any Info about this Montana.   Thanks again. Soulman
#42 of 59 Montana Madness by monty8 Feb 28, 2008 (8:46 am)
I know these transmission issues can be frustrating. My 2000 Pontiac Montana tranny started slipping last summer. Replaced valve and still slips, occasionally. After a lot of thought I am choosing to replace the tranny, eventually. That is my only problem with 'Old Blue' and $2000 won't even pay the taxes on a new one. New Montana's seats aren't as user friendly. One with all the options I currentlly have would be over 35,000 dollars. I have 185,000 km on her and she has never let me down. No rust, interior like new. I say she is good for another 100,000. One key factor to my luck is continual manintenace. She has never gone overdue for an oilchange, if I plan a long trip I take her in for a check up. No more costly than maintenance on an import, almost same results. Tranny can go in any vehicle. I love the old Montanas. They get pretty good gas mileage and are super comfy for long trips. My next vehicle will have side curtain airbags.
#43 of 59 Oil light by tcharron Apr 03, 2008 (6:41 am)
I own a 2000 Montana and just recently the change oil light came on halfway before the oil is due for a change. The light only stays on for a minute or so when I start the motor. I checked the oil level and it is good and the oil looks clean. I've tried to reset it, but it still comes on. Is it a sensor? Any thoughts?
#44 of 59 Pontiac Montana BRB and BCB transmissions by bckyrdmech May 28, 2008 (6:46 am)
I have a 2000 Montana that I was told the PCS needed to be changed in the transmission. My son decided to drive it for a short distance after that, and now it does not have any forward motion at all (it feel like it is slipping), but reverse works fine. He also said that overdrive quit working on him shortly before the rest of the forward motion went. Could this still be the PCS? I am considering just replacing the tranny, and I would do it myself, but here is my question for that: If I were to do this, what is the difference in the BRB and BCB transmissions, and how do I visually tell the difference to make sure that it is the correct version? I was told it currently has a BRB transmission.
#45 of 59 whining when accelerating on my 1998 transport montana by tranny08 Jul 01, 2008 (9:16 pm)
my 1998 transport montana has a whining noise when stepping on the gas and sometimes when idle. It goes away when just coasting with your foot off the gas pedal. As soon as I step on the gas it starts up again. Brought it to a mechanic and he said to replace the whole transmission. All he did was put it on a hoist and said he heard noises in the tranny and something is ready to go on it. My check engine light is on and he didn't even check that out. The van switches gears real smooth as if there is no problem. This all started when I ran out of gas one day. Any help with this issue would be greatly appreciated. Thanks in advance

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