EF Products - R-134a Recharge & Retrofit Kit (323) Review

I got this kit to retrofit/repair my '92 toyota's failing a/c system.It has been a few months now since I used it and the a/c works perfectly.The leaks are gone, the compressor works quitely and the system seems to work even colder than before.A local a/c shop quoted me $381 for recharging the system, it would have been higher for detecting and fixing any leaks.

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Product Description:
Includes: three 15 oz. cans, each containing 12 oz. of 134a refrigerant and 3 oz. of PAG oil with retrofit additives, Stop Leak and O-ring conditioner. Patented/patent pending R-134a recharge hose with in-line gauge to check pressure as you refill the A/C system. R-134a high- and low-side retrofit fittings and caps. A third retrofit fitting for pre-76 vehicles and late model imports. EPA approved label complete bi-lingual instructions.

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EF Products - R134a with SubZero Synthetic A/C Booster, Reusable Recharge Hose and Inline Gauge, 19 oz. (345) Review

First off i read Jin's review and gotta say...you have no clue how to use any tech whatsoever! check it out:

1- the can has instructions! read'em
2- the gauge has to be de-pressurized (hence the screwdriver or some item that create a release for the internal pin (looks like a tire pin, you deflate tires the same way. bam!
3-in short if you never have done it use gloves because tension and tight spaces causes stress that gloves prevent. A/C has to be running! (turn on (AC) not just the fan! make sure your AC light illuminates to tell you that the "chill" is going through the car the compressor pulls the freon out from the can as it runs. if not...all you do is cause gas to build in the umbilical hose.
4- to tweek the PSI you have to turn the nozzle and adjust on the fly (detailed instructions! i'm military and i know how to follow them, people who served know how to follow instructions as police and medics and the like. whats with people who can't follow WRITTEN instructions! you're killin me noobtastic 1 star rater! you made me laugh tonight.

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Product Description:
SubZero Synthetic is a cutting edge lubricant for automotive air conditioners. The recommended 2 oz. application can improve the cooling performanece up to 18%. It is compatible with PAG & POE lubricants. Contains 17 oz. of R134a and 2 oz. SubZero Synthetic with reusable recharge hose with in-line gauge.

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Mastercool (MAS98370) R12-to-R134a A/C Manifold Conversion Kit Review

Poor quality. High side fitting leaks. Box says "Economy Couplers".
Packaging is poor. Fittings shipped loose in a small box. Free to rattle around.Thousands of little nicks and scratches.Looks like an old, mistreated, worn out tool. A few threads are smashed. I shouldn't have even tried to use it.I don't think the damage all happened due to poor packaging because the fittings look bab even on the inside!

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Product Description:

Includes Hi-side and Low-side manual couplers and tank hose adapter.

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Mastercool 91046-A Air Conditioner System Flush Kit Review

Awesome piece of equipment! Can be used to flush out just about anythink, not just A/C systems.

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Product Description:
Mastercool Air Conditioner System Flush Kit is designed for excellent, quick as well as effective removal of refrigerant oil and debris during retrofitting or compressor replacement. It includes flush gun, hose, canister and canister adapter. The flush gun is simple to use plus holds up through many flush procedures and is backed by a 1 year warranty on material as well as workmanship.

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