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GMC Safari/Chevy Astro

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Comments

  • gmetzgmetz Posts: 4
    Hi all,
    I just purchased a 1999 Astro van, the van did not come with a owner's manual. I cannot figure how to reset the trip computer, I would like to see what my average MPG when I re-fuel.
    Thanks in advance,
    Glenn
  • cobcob Posts: 210
    Push the lever in for the trip/odometer. When the trip is showing push the lever again and hold it in for 3-5 seconds and the trip will reset to zero. Then push it again to get back to the odometer. If you push it and release right away when the trip is showing it will not reset.
  • gmetzgmetz Posts: 4
    cob,
    Thanks for the quick reply, I knew after I typed in my question that I did not explain it very well and I could not figure out how to edit it. I was wondering how to reset the trip computer in the overhead unit that has the compass and thermometer on it.
    Thanks,
    Glenn
  • tkwtkw Posts: 29
    It doesn't sound like the fuel pump to me. The fuel pump on my '98 Safari failed just 50 mi out of warranty and it costs an arm and a leg to replace. :cry: The symptom was intermittent no start and stalling in traffic. And fuel pump malfunction wouldn't register a trouble code in the computer. It have to be replaced with the whole work including the sending unit and parts alone was close to $1k CDN. Labor was around 1 hour or so.
  • :surprise: Ours was only $450 USD.
  • tkwtkw Posts: 29
    Auto parts generally cost more in Canada. The Autopact only cover auto production. Most of the spare parts are manufactured in the US and Canadian consumer have to pay a lot more. $1k CDN = $750-$800 US. That was including 14% sales tax. It was a while ago and I could be off by 10% by memory. But don't you think $450 + tax & labour is expensive for a lousy fuel pump.
  • tkwtkw Posts: 29
    I have no idea about the clunk. But the wiper motor's intermittent control circuit board is prone to break down. I know so because I had my old '87 and this '98 both failed. The tell tale is it doesn't park at the bottom position or it can't be shut off at times.
  • I have a 2001 Astro LT AWD. There is a vibration that sounds like I just drove over rumble-strips or a Texas gate on th highway. It happens right around 55 mph. Usually I notice it lasts about 2 or 3 seconds and repeats about 3 times. I notice it again when I slow past about 50 and speed back up.

    Had my mechanic check tires and wheels (rotated front to back as well) to negate an out of round or un-balanced wheel. Also had the transfer case(s) and tranny serviced - fluid and filter.

    Any ideas?

    Also, I have found the wire bundle by the jack, and was wondering if there are trailer brakes wired in here somewhere.

    Thanks for your help.
  • Just push in both buttons together and hold for quite a while (30 seconds?)
  • Yeah, I thought it was expensive, but the alternative would literally be: Having a dead van. :sick: On top of the breakdown, we were 400 miles from home.
  • tkwtkw Posts: 29
    Re: Wiring harness
    On my '98 manual, it states that it depends on whether your van came with the trailering package. You either have an eight-wire (with the package) or six-wire (without) harness. Its color codes are:
    Brown: Rear lamps
    Yellow: Left stoplamp and turn signal
    Dark green: Right stoplamp and turn signal
    White (heavy Gauge): Ground
    Light Green: Back-up lamps
    White (Light Gauge): Center High-Mounted Stoplamp
    Blue: Aux circuit (eight-wire harness only)
    Orange: Fused auxiliary (eight-wire harness only)

    If you are wondering about a plug-in for a brake controller, you'll have to check with the dealer's service department. These things change from model year to model year. For example, my '98 came with the trailering package but there isn't a connector at the hitch. But my '02 Silverado with the package have the connector and a plug under the dash and necessary wiring for a brake controller hook-up. And the later models have the loose wire ripped-off.
  • topseatopsea Posts: 47
    I also have a 2001 Astro LT with AWD and a limited slip differential. If you have a limited slip differential you may want to read about my experience with a problem such as yours. It is message #682 posted on July 7 2004.

    Good luck
  • gmetzgmetz Posts: 4
    2001astrolt,
    That did it!
    Thanks alot,
    Glenn
  • Good hint!!! But, alas, not the case... mine are all sized right, although the rear 2 are newer and have more tread depth. This could have been a factor tto, but I have tried rotating them around, with no change in the symptom.

    How does the AWD work on these - is it not full time AWD? ... or am I missing something?

    Thanks.
  • tkwtkw Posts: 29
    99gmcsafarisle wrote:
    "When my Safari's AWD kicks in, the front wheels begin to grind."

    I don't understand what do you meant by grinding. These AWD are full time all wheel drive. My understanding is they don't kick in & out. The only variable is the torque distribution between the two axles based on the slippage sensed.
  • topseatopsea Posts: 47
    As I understand the 2001 Astro AWD, it operates in 2 wheel drive(rear wheels) and there are speed sensors on each of the rear wheels that detect one wheel rotating faster(or slower) and in a "micro-second" it engages the front wheels.

    I've been told the limited slip differential on the Astro is very particular about having the exact same wear on the rear tires. "My people" tell me the only vehicle more particular about wear on the tires are the Subarus.
  • gmetzgmetz Posts: 4
    I have had my 99 Astro LS AWD for less then a week now, one thing that I noticed is that it seems very sensitive to wind (my only other minivan experience is driving my wife's Grand Caravan). The Astro seems more prone to "pull" to the direction that the wind is blowing and almost seem to "shimmy" a bit when the wind is very strong. Is this common due to the higher vehicle height and higher center of gravity?
    Thanks,
    Glenn
  • pjhernespjhernes Posts: 2
    I have a 1997 Astro and am having troubles locating the trailer wiring harness. The van did not come with the towing package. However, the manual says that a six wire harness should be in the jack well behind the right rear wheel, but the only wires coming out of the plastic conduite tubing connect into a gizmo that runs the power lock on the dutch doors. Do I need to splice in my own harness?

    Peter
  • Claire@EdmundsClaire@Edmunds Chicago areaPosts: 968
    Please don't encourage other members to email you with the information. Otherwise, the folks reading here don't benefit from the answer. Sharing in the discussion is what makes this a rich resource for you and others.

    Claire

    HOST

  • careybearcareybear Posts: 1
    What are the best kind of pads to get for a 1992 Safari? I'm pretty sure they have ceramic ones on it but I need the cheapest kind..is it okay to put semi-metallic ones on? I'm only planning on keeping the vehicle until February 2006 or so when I move to England so want the cheapest ones i can get by on.

    Thanks for you help.

    Carey
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