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Vans & Minivans GMC Safari & Chevy Astro GMC Safari/Chevy Astro Real World MPG
52 messages, Last post on Mar 05, 2009 at 9:07 PM
You are in the GMC Safari & Chevy Astro Forum. Your Host is Karens
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Replying to: antique_maggie (Jul 03, 2008 12:40 pm) I get 20 in town with my 2 wd but the AWD we had got 14. |
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Thanks for the post, I appreciate it. I was REALLY hoping to take this van on our road trip this coming Labor Day weekend (total time is a whole hour and a half to get there) because out of both vehicles (our other is a '92 blazer) the van has air. I highly doubt I'll be able to get a round trip out of the van on a full tank though ( if map quest is right, round trip=148miles-ish). Unless my calc's are off (I was never good at math, I shamefully admit).......? Maybe I should just accept the idea of a friend of mine's. He said that back when our van was built (again, it's a '94) it wasn't built with gas mileage in mind. Does anyone else think that's true?  curse high gas prices!!!
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Replying to: antique_maggie (Jul 07, 2008 10:25 am) If time or faster ground speed is more urgent to you, perhaps it might we less expensive to "rent" a smaller mini-van, mini-station wagon or rent the car of your dreams - for your long term trips. The "gasoline cost savings" by using a more fuel efficient rental could pay for the daily vehilce rental fees. And, you get to try a different vehicle for long distance travel. Great research opportinity for your future van replacement - when that special time comes. If wondering, my FIL (Father In Law) does that. He keeps his GAS HOG V8 4x4 GMC pickup for local driving and rents a fuel efficient vehicle for his long trips. Works for him.... Hope this idea helps as well.... .
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Replying to: spike99 (Jul 07, 2008 8:39 pm) P.S~ Would it help out any if I got it in for an alignment? It's off....not real badly, but enough to tell......
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Replying to: antique_maggie (Jul 08, 2008 10:59 am) Stuff like: - Closer to the ground means less wind drag. If you have a raised van, do lower it back down to factory ground clearance. - New shocks on all 4 tires (like Blistien or Rachos HD shocks) to reduce too much up/down movement help a little as well. Especially if pulling a trailer. - Smaller / lighter tires means less rubber weight to "get going". Especially if the axle gearing of your van already has "lugging" behavior. Lugging because its gearing is too high - for your road / hill conditions. - Pull away "slowly" from the stop lights / stop signs. Let others "wind vacum" your vehicle forward. LOL!. - Being slow on those hiway access ramps (like the big loop clover leafs). Today, I no longer bank my van on 2 wheels. Especially on those tighter clover leafs. - Less internal weight (like removing unneeded row of passender seats - until needed). My buddy removed his middle row of seats for his dogs. When he does passenger trips, he & his son re-installs his middle seat. Works for him. - Using cruise control and set to -3 mph slower then posted speed limit. Same speed as most transport trucks - in my local area. - Only use AC when needed. re: The high climate justifies the gas consumption of AC. No more running AC because one can. - Wheel aligment / wheel balance. - Ensure vehicle has good spark plugs, clean air filter, its thottle body is clean, its injectors are clean, its timing is properly set, etc. etc. Mechanical tune ups do save gas dollars in the long run... - Proper tire pressue (as stated on the tire and not in your manual) helps as well. Note: Tire pressure is based on towing and non-towing loads. One lbs rating doesn't fit all brands of tires. Therefore, be prepared to adjust some tires - based on their usage. As they say, every little bit helps. . |
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Hello, I have a GMC Safari van SLT Yr200. I was traveling to Alabama and I have the transmission making a shift very rare I have stop at the moment check the Trans oil and I tough it was ok, but next mile it did the same so I stop at walmart and I have added some oil.Service Engine came on and MPG started to go from 19 to 18 and so on until 14.8. When I came back home I took it to Advance auto partsand they get the P1870 code " Transmission Slip" they have recomended Lucas product Stop Slip also an oil change. Should I change Transmission Filter and O ring? and add Lucas product? What else other than engine oil change, air filter, fuel injector cleaning can help to improve MPG? I'll appreciate any one can help me, I have this van from original owner and never gave me a problem. Thanks, Julio. 
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Replying to: redfisher (Dec 31, 2007 6:50 am) Spark Plug wires Sparks Air Filter Fuel Filter I have make an oil change and replace oil filter I have flush the transmission oil and replaced. I added a fuel injector cleaner. Guess what, I have increased to 25 MPG when I travel from GA to VA. But After almost 1.5 years after and continusly changing engine oil and filter I have a transmission problem that I have posted recently and I have bad MPG. I'm just hoping that some body can help me too. Regards. |
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Replying to: jouls (Jul 16, 2008 5:05 pm)
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Replying to: cob (Jul 16, 2008 5:33 pm) I hope you get that van fixed soon! I've given up hope on my astro and will be trying to sell it soon....I loved that van, it was SO much roomier than your standard minivan and it hauled alot of things, but I've lost the battle with gas prices and can't take it anymore, I'm sad to admit, I'll be looking for a small sedan soon.....curses!
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How much you think will cost to rebuilt the transmission? Is it worthed? Thanks for your reply.
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