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My husbend and I bought a 1993 Anniv addition for our Anniversary last week!! It has 26,000 miles on it and is in great condition.
I love this car!
A few questions if I may, to insure that no crazy unexpected problems jump up,, what should we have done and checked maintence wise?
I will be having the brakes checked asap as they sound like they grind to me.
Also was thinking about having the shocks and tires possibly replaced?--They feel like they are made of concrete! The tires are almost new but it's a hard ride, feeling every bump in the road, even going super slow over the railroad tracks feels like it will break your hinny!
Any suggestions you have RE: New owner advice and Starting a good maintence schedule would be great.
This will be our weekend warrior car, We are not intending to drag race or anything like that, maybe let loose once in a while for fun.

Thank You!
D.
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Congratulations! We love our 93 convertible, but it has about 189,000
miles on it now and we finally obtained C-5 convertible because it has a
trunk. We have taken 2 trips from San Francisco area to Yellowstone
and the Black Hills in the 93 and got 25.6 and 26.5 mpg for each trip. I
did replace knock sensors & Oxygen sensors before the first trip.
Usually kept under 80mph. In the future you may have to replace
bushings in the headlight operating mechanism. It is a fairly easy job
for a handy person. I also had the transmission flushed when it acted
up and that helped it for quite a while. It may need another flush
soon. Having so many miles, I did replace the fuel pump once. It also
is a fairly easy job in the convertible, maybe not so easy on the
others? The fuel pump replacement did help in the go-fast department.
Recently had to replace the coil. A shop probably could have scanned it
and made the replacement right away. I was dumb and replaced a few
other 180,000 mile parts, but I figured it wouldn't hurt to replace some
things with that many miles on them.
I find that using genuine Corvette parts seems to be the easiest, as I have purchased others and then had to go back and buy the correct Corvette part. If you actually use your car, the seats will wear and there are many sources of cushions, covers, etc for repair. My experience is that replacements are not quite as good as the originals.
There are many helpful suggestions and maintenance topics available on-line for Corvettes. Hope you have many trouble free miles. Enjoy your 93!
I find that using genuine Corvette parts seems to be the easiest, as I have purchased others and then had to go back and buy the correct Corvette part. If you actually use your car, the seats will wear and there are many sources of cushions, covers, etc for repair. My experience is that replacements are not quite as good as the originals.
There are many helpful suggestions and maintenance topics available on-line for Corvettes. Hope you have many trouble free miles. Enjoy your 93!

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If at 26k the tires are OE they should be replaced regardless, because of age. In "93 GM started using run flats on the Vette. The tires would be a Goodyear GSC EMT... if yours was equipped w/run flats. Replacing them with a non run flat tire will improve the ride/feel a lot.
As far as maintenance goes if you don't have P.O. records. I'd start with oil and filter and coolant change and check/replace the air filter. You'll get various opinions on the other fluids. but IMO even at 26K.... ALL of the other fluids could be close to 20 years old. Even if you don't do them all at the same time. It would be a good idea IMO to have them changed/flushed. When I bought mine w/70k on the clock over the next few months the brake fluid, transmission fluid, power steering and differential were all changed using synthetics. JMO 

BTW.... if you do go with a non run flat tire, be sure you have a spare tire tire and jack some Vettes did not.
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Thank you for all the advice!!
I am going to take it down to the Chevy dealership next week to have ALL the fluids checked and replaced, as well as airfilter, fuel filter, I'll just ask them to check everything--hoses, belts and all.
D.
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Lifetime Member
Send PMLanoka Harbor, NJ - USA
Joined: 12/21/2006
Posts: 2191
Vette(s): 1975 metallic blue coupe with t-tops,L48, t/t steering, black leather interior. 1990 L98, white/red leather interior, auto,a/c
going to a dealer is going to be very expensive and some even talk you into things you dont need. there was one post here that the member said he got the car from his parents estate and took it to the dealer and by the time they got done with him it cost him an arm and a leg. if you have a reputable mechanic they could do the job too.
when i got my 75 and my 90, the first thing i did was as suggested. a tune up, fluids, etc. as people can tell you anything they want unless they have the records, you now know you started fresh. if the brakes are noisy get them checked.
the tires could be the cause of the hard ride. if you replace them try to find a good passenger tire. some tires are made for performance which can cause a harder ride. if the tire is as old as the car the rubber gets harder giving the hard ride. also just something else, the ride may be a little harder as with the 17 & 18" rims there is less sidewall and less cushioning. my 75 has 15" tires and the ride is great. my 90 has 17" tires and ride is a little harder.
congrats on your new vette and hope you enjoy it as much as possible.
when i got my 75 and my 90, the first thing i did was as suggested. a tune up, fluids, etc. as people can tell you anything they want unless they have the records, you now know you started fresh. if the brakes are noisy get them checked.
the tires could be the cause of the hard ride. if you replace them try to find a good passenger tire. some tires are made for performance which can cause a harder ride. if the tire is as old as the car the rubber gets harder giving the hard ride. also just something else, the ride may be a little harder as with the 17 & 18" rims there is less sidewall and less cushioning. my 75 has 15" tires and the ride is great. my 90 has 17" tires and ride is a little harder.
congrats on your new vette and hope you enjoy it as much as possible.
LIFETIME MEMBER #97
THE DYNAMIC DUO
THE DYNAMIC DUO

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eddie20890 said: going to a dealer is going to be very expensive and some even talk you into things you dont need.
Sounds like a nice car. Why don't you just leave it alone? It will retain more value if left un-touched. They're only original once.
|UPDATED|8/25/2012 4:54:10 PM (AZT)|/UPDATED|
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L
I can't just leave it alone and cross my fingers hoping for the best, This is not a car that will sit untouched. I appreciate your advice, however that is not a practicle option for me, I need this car to be reliable when we set out on the weekends to enjoy it. I assume everything on this car is 19 years old and needs refreshed as well as a good maintence schedule to maintain excellent performance.
I am not planning to radically change anything, just to establish and maintain a good maintence record.
There is a lot of insite to be learned about the care and maintance of these awsome cars, I hope I can learn as much as possible from everyone here.
Thank you for your thoughts and advice and I hope you have a wonderful weekend-it's raining like crazy here!!
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Free Member
Send PMHuron, OH - USA
Joined: 12/5/2009
Posts: 179
Vette(s): 1989 Red Convertible - 160,000 fun-filled miles -
Dave "eddie" makes a great point about the high cost of using a dealership for your maintenance. Shopping around for a reputable mechanic can save you money and frustration
Also, when you get your brakes done, make sure you have the entire system flushed, even if you are not switching to the synthetic fluid. The amount of crud and gook built up in the master cylinder, booster, lines and calipers gets really bad after that many years and affects how well the brakes respond
The members on this site are really helpful so ask away and congrats on your "new to you" Vette
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Free Member
Send PMAlbion, IN - USA
Joined: 3/28/2012
Posts: 5
Vette(s): 1985 Black Coupe With Graphite Interior - Owned Since 2012 - My First With Bose System, Leather Interior
2001 Convertible Triple Black With 1SC Package; F45 Selective Real Time Dampening; G92 3.15 Performance Axle Ratio; QF5 Polished Aluminum Wheels
Congrats on your "new" Vette! Sounds like a sweet car. Purchased our first earlier this year and have had a blast putting over 5,000 miles on her since April. Have all the fluids and filters changed, belts and hoses looked at, brakes checked or replaced, and make sure the tires aren't to old. You should be good to go. I applaud your decision to take your Vette to the dealership for service and a check over. As a current GM parts manager, and someone that has spent his entire career in automotive parts and service, I can tell you that "crooks" and incompetence exists every where. As far as I being to expensive, a well run GM service department can cost little more than a well equipped independent. Competence and experience are invaluable, regardless of where you find it. If suggestions are made for services other than what you think is needed, politely decline and take some time to consider. Enjoy your ride!!

Larry E.
2016 GM/ASE National Recognition Award
"Retired" GM Parts Manager
1985 Corvette Black/Graphite
5.7 L98/AT
2001 Black/Black Corvette Convertible
5.7 LS1/AT
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Free Member
Send PMBlacksburg, VA - USA
Joined: 2/2/2008
Posts: 7
Vette(s): 1980 L-82 Fire-engine red
1993 Coupe LT-1 6-spd, Polo green
Congrads on your C4. We own two 1993s - 1 coupe and 1 conv.
|UPDATED|9/1/2012 8:17:07 PM (AZT)|/UPDATED|
Go thru your "new" car and make sure everything works - lights, options, radio, AC/heat, etc. Fix anything you find. Be sure to clean and detail everything as a clean car is a happy car (and owner).
We are "ultra original" folks and keep most of our car all GM. Our only major issue has been the opti spark distributor. On your 1993 car it does not have a vacuum connection that helps to keep the distributor moisture free. With only 26K milesyou make not have any issues for a while, but do not wash the engine and if you have iginition issues (hard or no start, or stumbling especially when very hot) suspect the opti spark. Google Corvette opti spark or check for info on Corvette blogs for more info.
We love our C4s and find them much easier to do self work than a C5 or C6. Get a factory manual (2 large volumns, about $80-100 on e-bay); it will give you a lot info on the car's operation and troublshooting. Even if you have someone else work on the car, this will help you be sure they are going in the correct direction, even the dealer. I usually take my manuals with the car for visits to my mechanic or dealer as they usually don't have a factory manual for a 93.
Enjoy!!
|UPDATED|9/1/2012 8:17:07 PM (AZT)|/UPDATED|
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in Forum: C4 General Discussion
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