ABS 1992 Vette
Thread Starter
6th Gear
Joined: Feb 2011
Posts: 6
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ABS 1992 Vette
Hi everybody,
I am about to buy a 1992 matt black vette as my 1991 vette's engine is broken and here in Itay it wouldn't be convenient to fix.
As I tried this car yesterday, I noticed a few things and I would like some advises about them...
1) I don't see, just after beginning to drive after starting the car, the light "ABS on" that I used to see in my old car as a standard routine check. The owner confirmed me that the ABS works fine, but I'd like to know whether it is normal or not
2) When I switched the AC on, I didn't hear the compressor kicking in and the fan didn't automatically start up like in my old C4. The AC seems to be normally working, so is it also normal?
Thank you very much, as I am doing my best to buy a car in good working conditions!
I am about to buy a 1992 matt black vette as my 1991 vette's engine is broken and here in Itay it wouldn't be convenient to fix.
As I tried this car yesterday, I noticed a few things and I would like some advises about them...
1) I don't see, just after beginning to drive after starting the car, the light "ABS on" that I used to see in my old car as a standard routine check. The owner confirmed me that the ABS works fine, but I'd like to know whether it is normal or not
2) When I switched the AC on, I didn't hear the compressor kicking in and the fan didn't automatically start up like in my old C4. The AC seems to be normally working, so is it also normal?
Thank you very much, as I am doing my best to buy a car in good working conditions!
Safety Car
Joined: Jun 2006
Posts: 3,629
Likes: 28
From: FL
There are some major differences between a 91 and 92, but the things you mentioned should be very similar. The ABS light should illuminate briefly on first start up as a bulb check then go out if the system passes the self check. For more detailed information check page 117 in this online copy of the 93 owners manual provided by forum vendor GM Parts House.
http://www.gmpartshouse.com/download...93corvette.pdf
They do not have the 92 owners manual, but the 93 should be very similar, just keep in mind Passive Keyless Entry was new for 93 and not available in 92.
When you say the fan does not run when turning on the AC do you mean the blower for inside air distribution or the engine cooling fan? If the car has Electronic Climate control there may be some delay before the blower starts after cooling is selected, the engine cooling fan should start when the compressor clutch engages. If the AC is cooling the compressor must be running, but to verify have someone else turn on the AC with the hood open while you observe the clutch, it may just be quieter than your 91. Good luck.
http://www.gmpartshouse.com/download...93corvette.pdf
They do not have the 92 owners manual, but the 93 should be very similar, just keep in mind Passive Keyless Entry was new for 93 and not available in 92.
When you say the fan does not run when turning on the AC do you mean the blower for inside air distribution or the engine cooling fan? If the car has Electronic Climate control there may be some delay before the blower starts after cooling is selected, the engine cooling fan should start when the compressor clutch engages. If the AC is cooling the compressor must be running, but to verify have someone else turn on the AC with the hood open while you observe the clutch, it may just be quieter than your 91. Good luck.
Thread Starter
6th Gear
Joined: Feb 2011
Posts: 6
Likes: 0
There are some major differences between a 91 and 92, but the things you mentioned should be very similar. The ABS light should illuminate briefly on first start up as a bulb check then go out if the system passes the self check. For more detailed information check page 117 in this online copy of the 93 owners manual provided by forum vendor GM Parts House.
http://www.gmpartshouse.com/download...93corvette.pdf
They do not have the 92 owners manual, but the 93 should be very similar, just keep in mind Passive Keyless Entry was new for 93 and not available in 92.
When you say the fan does not run when turning on the AC do you mean the blower for inside air distribution or the engine cooling fan? If the car has Electronic Climate control there may be some delay before the blower starts after cooling is selected, the engine cooling fan should start when the compressor clutch engages. If the AC is cooling the compressor must be running, but to verify have someone else turn on the AC with the hood open while you observe the clutch, it may just be quieter than your 91. Good luck.
http://www.gmpartshouse.com/download...93corvette.pdf
They do not have the 92 owners manual, but the 93 should be very similar, just keep in mind Passive Keyless Entry was new for 93 and not available in 92.
When you say the fan does not run when turning on the AC do you mean the blower for inside air distribution or the engine cooling fan? If the car has Electronic Climate control there may be some delay before the blower starts after cooling is selected, the engine cooling fan should start when the compressor clutch engages. If the AC is cooling the compressor must be running, but to verify have someone else turn on the AC with the hood open while you observe the clutch, it may just be quieter than your 91. Good luck.
I was referring to the engine cooling fan, so I'll check all the things you told me.
So, is it possibile for the ABS to work despite the lack of the initial bulb check. I see the light "ABS" when I turn the key on "start", then all lights go off, but as I start, I don't see the "ABS" light appearing again, followed by the little "pressure" on the brake pedal as with my 91...
Please, give me also an advise for this!
Safety Car
Joined: Jun 2006
Posts: 3,629
Likes: 28
From: FL
The ABS light should only illuminate one time at start up then go out, you should hear the ABS solenoids cycle as you first start to move the car during the self test, but the lamp should not light. The ABS light will illuminate during antilock operation, but should otherwise remain off during normal driving.
Again I would refer to you to the owners manual link, in particular pages 117 and 173 through 175.
Also note that the 92 has ASR or Acceleration Slip Regulation which the 91 does not. ASR is linked to the ABS so you should also read those portions of the owners manual to understand normal operation, hope that helps.
Again I would refer to you to the owners manual link, in particular pages 117 and 173 through 175.
Also note that the 92 has ASR or Acceleration Slip Regulation which the 91 does not. ASR is linked to the ABS so you should also read those portions of the owners manual to understand normal operation, hope that helps.
