kazoospec
kazoospec SuperDork
6/16/18 11:14 a.m.

No wrong answers here, just looking for opinions.  The car in question is a 1994 Miata M Edition.  Here's the "pro" and "con" AFAIK.  First, the con.  I live in Michigan, so the car is off the road 4 (normal year) to 6 (last year) months out of the year.  I have a tin-top daily driver that has working AC.  I don't drive the Miata if its super hot (partially because of the non-working AC) or if its going to rain.  It's not a "cream puff" car.  It is a solid looking car from 5-10 feet, but doesn't really have any current or potential "collector" value, as it's been resprayed and had a Hard Dog roll bar installed.  It's also had the rocker rust repaired, which is why I don't drive it in the rain.  It's clean on top, under, not so much.  It gets driven 2-3 days/week to work, on weekends and to autocrosses and various other events.  Pros:  It's a relatively low mileage car (roughly 100K), has a pretty clean interior and, through a series of small projects, everything except the air is currently working.  The wild card is it may be for sale in a year or two.  My mechanic looked at it and said all components are there and appear to be functional, it likely just has a leak somewhere that would have to be tracked down and fixed and the system recharged.   It doesn't require any coolant fluid conversation. His quick "guesstimate" was a few hundred for everything.   DYI is beyond me on this job.

To fix, or not to fix, that is the question.

cdowd
cdowd Dork
6/16/18 11:40 a.m.

Did the mechanic check and see if it is still holding some pressure?  It may just need a shot of refrigerant to get the pressure switch going again.  I have a set of gauges and a vacuum pump if you want to refill.  I am over in Grand Blanc if you want to try.

kazoospec
kazoospec SuperDork
6/16/18 11:50 a.m.

I really appreciate the offer.  I think he may have done at least a quick pressure test, because he did say it appeared to have a fairly substantial leak somewhere, and I'm not sure how he'd know that otherwise,  unless it was a S.W.A.G.

SkinnyG
SkinnyG SuperDork
6/16/18 12:26 p.m.

Shops have a dye they put in, to help them find where the leak is. After that, it's just changing components, and recharging the system (with a new drier).

Replacing components is just nuts and bolts; not usually special tools. Working under the dash can be unpleasant, but it's Japanese - it might be reasonably "service-friendly" under there.  Never done one, but I retro-fitted factory A/C in a Nissan years ago.

Dusterbd13
Dusterbd13 MegaDork
6/16/18 12:28 p.m.

Im fat and live in the south. Ac is not an option.

 

Also, if the need to sell arises, more money paid for operating ac.

Adrift
Adrift Reader
6/16/18 8:36 p.m.

In your situation I would say no.  If it was your daily the answer would be different.

My 94 Miata never had air (original Wisconsin car).  If it is hot and I'm going somewhere that is largely stop and go.  I take the daily.  The Miata is my back roads country driving car.

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