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Vans & Minivans GMC Safari & Chevy Astro GMC Safari/Chevy Astro
1888 messages, Last post on Oct 13, 2009 at 5:45 PM
You are in the GMC Safari & Chevy Astro Forum. Your Host is Karens
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Replying to: not_a_mechanic (Jul 22, 2005 2:22 pm) There is a re-call on wiper motor. I have 97 Astro luck for me I didn't fix it right away. I was sent a letter tell us about the re-call. you might give your dealer a call. hope this help. |
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Replying to: giant44s (Jul 18, 2005 6:20 am)
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Been a week now and 91 Safari still not going,no warning just up and stop running. I changed the fuel pump,fuel filter,fuel relay switch,I tried four sets of injectors,changed the fuel pressure regulator assembly three times,changed IAC value,throttle Position sensor,MAP sensor,I tested all wires there is power to them,I tried a different computer box,van will not give me any trouble codes The van has Model 220 TBI , 4.3 liter V6 engine After all that injectors will not open,I hear the gas going,but they just won't open the injectors I'm looking for any help or suggestions on this issue,I'm almost at the end of the rope on this issue with the van |
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I have been chasing codes and repairing the components that would trigger a code. The only code (other that 12) left is... Problem: Code 83 - TCC PWN Solenoid Circuit Fault Rough idle in neutral, almost dies when put into gear. Excessive vibration There is no terminal F wire present at the ALDL so I couldn't check for voltage there. I checked the fuse for "Gages" and I see voltage across both terminals with a DMM. I checked the tan/black wire at the 20 pin connector at the passenger side of the transmission and there was no voltage with the key in the on position. There is supposed to be lettered markings on the male or female end of the plug but I couldn't see any indication of letters molded into either side of the plug. I also cleaned the plug with contact cleaner. I went to check for 12 volts across the brake switch which is described in a TCC test procedure. The procedure references one of two possible brake switches, an upper switch with a vacuum hose and two wires, or, according to the document, there is a lower switch with four wires. The document is ambiguous as to whether one or both of these systems are present on the van. As I am poking around trying to find these components, (which I still have to find) I put my hand on a solenoid that actuates a plunger that has a cable attached to the end and two wires attached to the solenoid, which is attached to the steering column. The solenoid gets so hot when the key is "ON" that I could not leave my finger on the solenoid for a half of one second before it burned my finger! It is located on the steering column and actuates when the brake pedal is depressed a small amount. I am sure that this is a problem because any solenoid that gets that hot has a problem. I do not know the name of this component to get a replacement, so... Question #1 - What is the name of this component so I can tell the parts store the correct name for them to look it up on their computer database? Question #2 - What brake connections do I need to check for voltage beyond the one listed above. I initially could not find a typical brake switch which would be a plunger with two wires connected and attached to the brake pedal directly. I can see where the typical mounts for this type of switch would be located, but nothing is in the mount. Question #3 – Are there other circuits that need to be tested in the TCC circuits. I have asked this question on other forums, with no responses. I hope that one of the readers of this post can assist me. Thanks, James
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Replying to: n977ll (Jul 11, 2005 11:02 am) |
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Replying to: jdegenhart (Jul 24, 2005 3:09 pm) |
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Replying to: stecam78 (Jul 23, 2005 11:11 pm) |
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I need some help with a strange problem with my 1996 GMC Safari conversion van (120,000 miles).... Shortly after placing van in "Drive" (especially in the morning) my electric power seems to momentarily go out (if lights are on, they will blink - just once, then everything is fine).... It has done this for some time now, and has not really been a problem, however, lately, a few times it has actually killed the engine....I usually pull over, and starts it right back up... The clock resets to 1:00 and I have to set the time on the clock.....Sometimes the several of the "idiot" lights will blinks while this happens too... It has not become a major problem yet, but, I am wondering if anyone has seen this before? I really like the van and plan to keep it for a long time, however, if it becomes unreliable, I need to replace it... Thanks in advance for your help, this really is a great website.....
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Replying to: mustangfan (Jul 25, 2005 9:50 am) You might also want to ask your question in the Electronic Gremlins: Electrical Problems That Are Driving You Crazy discussion. |
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