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Another option Hib is one of the many used Tech 1's or Tech 1A's now for sale on Ebay for about the same price as consumer grade scan tools. Much more functional as you say since they can access ABS, CCM, SIR and other controllers as well as the PCM. They are also bidirectional while most of...

Oh yeah! I worked in dealerships for 33 years and in that time met less than a handful of service writers who knew anything about a car. Service writer is an entry level "SALES" position, if the customer complaint will not earn them a commission such as a job that is covered by warranty or...

92BlackVette is correct on this one Surfer contrary to the warning in the FSM. I pulled my wheel yesterday with the same puller I've used for years with no problem. You will want some long 5/16" coarse thread bolts, preferably grade 5 or 8, mine were 4". Do not thread the pulling bolts into...

I'm not sure surfer, I got the number out of the FSM. Let me know if it works for you, I may be interested in buying it when you finish with it. I recently ordered a new steering wheel off Ebay, if my old puller will not work I may need one too.

Puller is J 1859-03 using screws J 38720

A friend with a 96 recently purchased a starter repair kit from this guy on e-bay for the same problem. eBay My World - clickerfixer he said it was an easy install and took care of the problem, way cheaper than a starter.

If the green LED is flashing above the climate control there is a code stored, follow the instructions in the Automatic Climate control section of your FSM to retrieve the code or codes, that may help point you in the right direction.

From the factory the ECM is calibrated to turn the fan on at 228*, by then the analog gauge will be in the "scary" range for us old school guys :L. The owners manual says to use the digital display for the most accurate reading, but the newer engines do run hotter for improved emission control...

LT1's use the CTS in the water pump housing for the temperature signal for fan control, but the ECM actually controls the fan relays using the Quad Driver Module. The temp sender in the rt. cylinder head is for the analog gauge in the cluster. There are aftermarket fan switches that can be...

Check the operation of the door switches, common for them to fail and cause such issues. If your 89 has a remote, the alarm is not factory, check with the manufacturer of the system for the wiring diagram.

My 93 has acted strange on occasion after battery charging or replacement, for some reason it scrambles the controllers brain. :L Try turning the climate control system off, remove the key from the ignition then disconnect the negative battery cable for one minute. That procedure will normally...

As Tom indicated the stock gear ratio for 93's with A4 transmission is 2.59, there was a "performance axle ratio" available as an option. Check the RPO codes on the underside of the center console lid then compare yours to those in this link, codes with letter "G" prefix will specify the ratio...

The reason you are confused is because that post came from the C5 forum, 3.15 was never an available ratio on a C4.

I have heard the Delco Pro series are very highly rated so I didn't mind the ante.

Here is a link that should help with replacement. How to correctly replace a dead battery in a C4 Corvette You need a 75 series battery with at least 525 CCA (cold cranking amps) I am using an AC Delco 75-6YR, but any 75 size battery that meets or exceeds the spec above will work.

I've had a rattle that has been driving me nuts, very noticeable right at 1400 RPM. Sounded like exhaust, my old ears would have sworn it was coming from the front, I actually thought it was a cat with loose guts, but inspection and swatting with a rubber mallet turned up nothing on the cats...

Positive identification would require removing the batwing to see the markings on the ring gear, however, if you suspect the car has been modified the easiest way to determine the rear axle ratio is to jack up the car and safely support so both rear wheels are off the ground, mark a line on the...

Asking for a Carfax report is a violation of forum rules to the best of my knowledge. The vehicle is 1991 model year based on the M in the VIN so mileage is stored in the CCM (Central Control Module) or body computer. If it was changed without resetting the mileage using the dealer Tech 1 scan...

Give this guy a try. Arts Corvette Parts - Search Results

Still available from the dealer or GM Parts Direct. GM Parts Direct: Your direct source for Genuine GM Parts