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GM's triplets Venture, Silhouette, and Montana

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  • I have a 2001 Chevy Venture doing the same.(except it's on right turns!!) We have had the transmission rebuilt, new tires, balancing, new motor mounts, new axles and numerous trips and coversations with dealers & mechanics but nothing has changed. Have you found a solution, because I'm about to go crazy over this. There were some posting awhile back from GM, but they have all been deleted curiously enough. Please help!
  • I just bought a 04 Venture from my grandparents with only 26k miles. It has been a good van for them but I just started reading about the intake gasket issues. In the service bulletin it talks about 97-03 models. I called three different dealerships and they say that the gaskets in the 04 are no different. One of them said "it's just a bulletin, not a recall if thats what you're thinking", that pissed me off :mad: . I love the van but I don't want to have to watch the temp gauge constantly everytime I drive it. I wonder if the service guys know what they are talking about? If so, why would GM leave out the 04-05 models?
  • I called one more dealership and the parts guy said the part number is different for the 04 than it is for the 03. I'm not sure what to think. :confuse:
  • Yours is the only reply I got. My front tires seem to be wearing out too fast, which leads me to believe it is an alignment problem. I had it realigned at the dealers after I replaced the tires, but the symptom is still there. I plan to take it to an alignment specialist shop and have it redone. Will keep you posted.
  • My front tires also, have had them less than 1 year, had them aligned and balanced with no change in vibration. I am at my wits end as I feel uncomfortable driving anywhere on the highway because the faster I go, the more it vibrates. Am just waiting for something to shake loose and fall off.. keep me posted.
    (spoke with the dealer AGAIN about this and they claim there are no bulletins or defects with regard to a vibration and suggested that we have the transmission looked at again... that was what started this problem, I think.
  • It sounds like your vibration problem is much worse than mine. Mine is somewhat subtle, and does not shake the car a great deal. Passengers in the rear don't seem to notice it.
  • n7donn7don Posts: 188
    In Oct '03 there was a tsb for replacing the lower manifold gasket with p/n 89017279 PLUS replacing the manifold bolts with ones with pre-applied threadlock. The tsb also included new torque specs for the bolts. So I think your dealer was right, the 04's have a different p/n than previous years.
  • I have an 04 Venture that I know has been garage kept since new and has seldom been in the sun, but the black finish on the mirrors looks dull and faded. The rest of the van still looks new. I have 2 months left on warranty. Has anyone else noticed this?
  • n7don,

    Thank you for your reply in the Montana forum, I am posting here as I read this forum more frequently than the Montana forum also.

    It is nice to hear that your van is still going strong despite the start-up noise. Our van gets a lot of city and suburban miles on it which means it gets a lot running time in the "rattle-mode".

    Replacing the wheel cylinders was fairly easy but I do not think I have all the air bled out yet as the pedal feel is somewhat spongy. The brakes work normally, there is no pumping or anything abnormal required just a little different pedal feel.
    I bled the brakes the oldfashioned way with a helper so now my question: Is the bleeding required to be preformed with some special equipment due to ABS, traction control and all that stuff?

    Also how do like the Gabriels compared to the originals?

    Slappervan
  • n7donn7don Posts: 188
    As mentioned mine has the cold start "tick" sometimes more noticeable than others but stops after a minute.
    When replacing the wheel cyl. I used a Minivac on the RR to suck out the air but couldn't get it to work on the LF. I used a helper (the wife)to bleed it. I believe dirkdaddy did it with a helper too. There is a bleeding sequence to follow if you get air in the system such as changing the master cyl.
    I recently bought a DIYer brake bleeder from this outfit: http://www.motiveproducts.com/01products.html
    I have used it on my 95 S-10 and it worked well. Amazing how dark the fluid looked. The S-10 brake pedal is firmer now. Plan on doing the same with the Montana when projects subside.
    Gabriels vs OE.... actually couldn't tell any difference. The OE had started to leak and I knew it wouldn't heal itself. At the time Gabriels were available but I did have to put different fittings on to adapt to the shock.
  • The manual states that you have to bleed the right rear, then the left front. Then the left rear and then the right front. It has something to do with the diagonal braking system. Good luck.
  • Glad I found the right page to post on. My son's 99 Montana has a problem with the heat control, i.e. there isn't any !! Everything else works great, air flow control, a/c ect. etc. I'm afraid the daughter-in-law and the 4 grand-daughters are gonna be upset with the boy and I if we don't don't figure out something !! Any suggestions would be greatly appreciated...
    Mark
  • n7donn7don Posts: 188
    There was an issue with 97-99's where at low rpm and low outside temperatures not enough coolant was circulating thru the heater to maintain comfort. The "fix" was installing a small inline pump in the heater circuit to increase flow.
  • I do appreciate the reply. We found that the hoses entering and exiting the fire wall are both hot but not being exchanged by the fan and circulated in the "cock pit"...so to speak. I'm not familiar with a system this complicated. Remember the days when under the hood, right there in plain sight were the heater hoses and a simple vaccum switch? It was either working or it wasn't. Thanks again
  • n7donn7don Posts: 188
    There's a couple fuses associated with the temperature control system. One also supplies power to the radio and it's in the underhood fuse block. If his radio is working then the fuse isn't blown. The other fuse, labeled HVAC/DRL is in the fuse block on the pass. side and end of the dash. It also controls the daylight running lamps (DRL). Both are 10 amp fuses. Again if the DRLs are working then the fuse would be good. Other than fuses, could be several things but beyond my scope to go into details on this forum.
  • just4fun2just4fun2 Posts: 461
    I finally replaced the air filter myself on my 2002 Silhouette and it wasn't that bad as I have been lead to believe. I believe the secret to getting the flexible air duct off is to do it when the engine is at operating temperature as this makes the duct softer and easier to move around. First take off the duct from the throttle body side and then remove the other side. You have to disconnect one tube from the duct, but you can leave the other wires connected and move the duct carefully.

    The bottom of the air box cover has to be slipped into 4 slots which if you take your time and put some light down there, you can see what you are doing.

    I also cleaned the throttle body while I was doing the air filter so I won't have to go back in there for a while
  • It's only happened twice in the last couple of years, but it's highly embarassing. Both times I've been driving down the road and my alarm suddenly starts going off. Of course I turn it off with the remote entry keypad and it's fine for a couple of minutes until it does it again. This process repeats several times until I guess the van warms up or I finally completely stop and turn the the van off. I feel like a thief driving down the road in a stolen minivan. Has anyone had this happen to them?? :blush:
  • How did you clean the throttle body? Thanks.
  • bob550kbob550k Posts: 148
    The ride leveling is becoming a problem on our Old silo.

    Has anyone bypassed the auto leveling and just used the rear shocks like regular air shocks?

    The ride level is going up, but not going down. The vent for the system is not venting. I had new shocks put on recently but that should not be affecting the vent process.
  • bob550kbob550k Posts: 148
    I need the diagnostic proceedure for the ride level, the proceedure I have is incorrect on the wire colors for a 1999 Old Silo Premiere. Or my van has a goofy harness.
  • n7donn7don Posts: 188
    You can pull the fuse for the level control. On my Montana it's labeled ELC and is located in the panel on the right end of the instrument panel.
  • dirkworkdirkwork Posts: 210
    Well, after 148k my '98 olds van has started leaking coolant, but its slow ooze, not anything dramatic. Saw some puddle on the right side of the valley between cylinder heads, figure its the intake gasket everyone has talked about. Anyway, thinking of just putting some GM stop leak in it and seeing what happens as its not that bad.

    DD
  • bob550kbob550k Posts: 148
    I had the intake gasket fixed, it wasn't cheap at about $800 including a tune up.
  • bob550kbob550k Posts: 148
    I'll pull that for now, I'm thinking I'll put a regular air input from air shocks on the system and just leave the system shut off. I can survive with out the auto feature.
  • eodkideodkid Posts: 8
    Every once in a while (2 or 3 time a month) my van acts like the battery s dead. I checked the battery, charging system, and the starter and all check out good. The car starts right up if I jump it. Is it possible that there is a problem with the security system preventing it from getting power? I am out of ideas any input is welcome.
  • bob550kbob550k Posts: 148
    I have the same issue with the battery dying.

    I went in the garage late the other night and the interior lights were on. Our van is a premiere so the car shuts everything off after 10 minutes or somehthing like that... Apparently this automatic power shut off is not working so we started using the overhead master shut off for the interior lights and the problem has not resurfaced, but who knows if that is the problem, it may happen again in a few more weeks.

    In addition to this the suspension leveling system is not working is not releasing air so I shut that off as well.

    It's been a good van, but it's 9 years old, maybe it's time for a new one.
  • n7donn7don Posts: 188
    Also check the battery cables at the battery itself. I found one slightly loose. Not enough to tell by wiggling the cable but did move when I tighened the terminal. Van's electrical system was dead as you described.
  • kenrivkenriv Posts: 1
    My 2002 Montana heated seats stopped warming.The driver side went first and about a year later the passenger side went out. The switches still light when turned on and the fuse and breaker in the fuse panel near the glovebox are good. How do I find the cause of this problem?
  • I have had the exact same issue with my Montana 2002 heated leather seats over the past year. In my case the both front seat heaters malfunctioned at the same time. Both switches still light, and the fuses are good. I just took my Montana to the dealer and paid $84 for a diagnostic evaluation. I was told that I would need to replace the heating elements in both seats. This will cost approx $500 per seat (parts and labor). This is extremely costly and frustrating. My understanding is that the heating elements on the Montana are known to be very problematic. :mad:
  • I have a 2001 silhouette, with capatain's chairs in the back. On one of the seats, the seatbelt has become stuck around the headrest, in the locked position. I cannot for the life of me get it around the headrest. I also cannot figure out how to get the head rest off. All I've managed to do in my 2 days of trying, is to make the seatbelt even tighter around the seat.

    Any ideas?
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