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Vans & Minivans GMC Safari & Chevy Astro GMC Safari/Chevy Astro
1889 messages, Last post on Nov 13, 2009 at 9:04 AM
You are in the GMC Safari & Chevy Astro Forum. Your Host is Karens
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Replying to: dsiever (Aug 11, 2008 8:56 am) I have found the problem with this van and the bucking issue that it was having. First, I would have to say, that there were actually two problems. I replaced the air mass meter (found a brand new one on ebay in January for $60). This did correct the issue that I was having with bucking at 55 mpg or faster, however, I was still having a problem with starting the van. Up until about 2 yrs ago it started on the first crank everytime (I've owned this van for over 120k miles and 5 yrs)--however since then it has always been that I had to give it one crank, turn the key back then hit it again and it would always start. Last week, however, the van began to miss very badly on one particular morning and it then stalled and would not restart. It turns out that there was no gas flowing--the fuel filter was good--problem was that the fule pump was shot. I replaced that and it starts like it did when I first bought it--on the first crank, everytime. |
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| I'm pulling code P0152 high voltage on Bank 2 sensor 1. Any ideas on what would cause that? Also how in the world would you get a 7/8 wrench in there to remove it? All books call for three sensors, 2 upstream and one downstream of the convertor but the drawing I'm looking at clearly identifies three upstream and is verified on my van? ^*$&# Any experience? Thanks | |
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Replying to: navyblue (May 28, 2009 10:07 am)
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Replying to: navyblue (May 28, 2009 10:07 am) http://www.carspace.com/guides/ My 97 Astro has two "upstream" O2 sensors, and two "downstream" sensors. The first of the two downstream sensors is the one just before the catalytic converter. Each set of sensors has a different type of connector on it. I didn't bother trying to get to the sensors with the exhaust in place because I was replacing the cat as well. As near as I can tell, your best bet is to drop the exhaust down by removing the three bolts on each side that connect the pipes to the exhaust manifolds. You don't need to completely remove the exhaust, but just drop it down in order to access the sensors. The thing to watch out for is that one or more of the studs could break off while loosening the nuts. This is not all that uncommon. If one does break, then your in for a headache trying to remove the broken stud. Have a back-up plan ready. Plan for the worst, hope for the best. Good luck.
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Replying to: Steve_01 (May 28, 2009 7:09 pm)
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Replying to: mauialii (May 28, 2009 11:08 am) |
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Replying to: navyblue (May 28, 2009 7:31 pm) |
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| I'm trying to replace the passenger side inside door handle on an 03 Astro. I've gotten down to the broken handle and there is a metal pin going down the center. I need to remove this pin in order to install the new handle. Problem is there are 2 pieces of metal protruding at the bottom (like a cotter pin) which prevents me from removing the pin. Anyone know how to remove this? Thanks. | |
What is the easiest way to replace the idler pulley on 95 Safari? It is the pulley that is right below the alternator, and the tension pulley. Hope I'm giving the correct name.
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Replying to: ibridgef (Sep 18, 2009 11:54 am) 
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