20 Most Recent 1981 Chevrolet Corvette - Page 2 Questions & Answers


Fill master remove bleeder have somebody rapidly pump brake pedal while you hold your finger over the hole. within ten pumps (usually) fluid should come out.By holding your finger over the hole you will feel air pressure let that pass Then do your manual bleed.If still nothing check the rubber line sometime they get messed up inside and fluid will not go through

1981 Chevrolet... | Answered on Aug 23, 2014


Ignition switch,bad fusible links, coil,ignition module. I have replaced several switches for this problem. At the coil, when you turn the switch on, there should be power. There also should be power when trying to start the engine. If there is no power while cranking, replace the switch. The reason it hits a cylinder or two is that the power goes to the coil, just not enough to get the engine running..

1981 Chevrolet... | Answered on Aug 09, 2014


Have you been having problems with your Battery . If so you need a new alternator.

1981 Chevrolet... | Answered on Jun 13, 2014


Don't understand question completely but sounds like ign mod depending on car a fusible link or a vacume leak even air fuel mix adj if u haven't fixed by now let me know brandon.prather7210@yahoo.com and I'll contact u and try n walk u thru

1981 Chevrolet... | Answered on Jun 13, 2014


you may need to replace the sending unit

1981 Chevrolet... | Answered on Jun 11, 2014


There is a pad on the engine passenger side by timing cover sticks out where head meets the block On that pad will be letters and numbers write them down ad you will be able to check in a GOOD shop manual it will tell you what you have. If it is original it is either a 350 or 427

1981 Chevrolet... | Answered on May 29, 2014


Check all the ground wires Corvettes have big problems with grouunds

1981 Chevrolet... | Answered on May 29, 2014


The motor grounds directly to the chassis via the seat frame.

1981 Chevrolet... | Answered on Apr 14, 2014


I would google it, or call a parts store and give them that code.

1981 Chevrolet... | Answered on Apr 14, 2014


Yes, you need to remove tank.
There is a fuel pump test connector, either a single wire connector in engine compartment, left side, OR terminal G of the ALCL, the diagnostic test connector under the dash. Put battery voltage there and see if pump works.
Diagram also shows a fuse for the pump, probably in the dash's fusebox.The relay is probably is there also.

1981 Chevrolet... | Answered on Mar 31, 2014


If you are going to attempt this repair and have never done this level of work you had better buy a manual. It's not something that can be described here.

1981 Chevrolet... | Answered on Mar 12, 2014


You need to have the choke adjusted so it runs on a fast idle so the engine can warm up or you may need the carb to be rebuild and adjusted properly.

1981 Chevrolet... | Answered on Feb 03, 2014


Change the battery. Newer batteries sometimes go all at once, and are so dead even a jump start won't work. It has happened to me twice. Once you put in the new battery check the alt output with a volt meter should read about 14.5 volts at the battery. If it does problem solved just reset the clock, radio etc.

1981 Chevrolet... | Answered on Dec 14, 2013

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