Does this fit all vehicles using 134a?

It should. I am under the impression that all R-134a system use the same Schrader valve that this kit fits, and is not the same fittings as on the previous freon systems.

The gauge jumped suddenly went to red warning range and remained there after I disconnected it from the port. Can I trust this reading ? How to reset

There is a check valve in the hose fitting. The gauge reading is an indication of what is trapped. It will reset during next time it is connected automatically.

How do you purge the hose after you have checked your system pressure?

you have to push in on the quick connect fitting. i would recommend a better 3 hose gauge set. spend the extra money

Does anyone else have a problem with your gauge staying pressurized after your done with it. mine kept 35 psi of freon in it

I see mine also has residual pressure from the charging process. I suspect there are check valves, one in the Schrader valve end of the set, to keep the can from leaking through that end. There may also be a check valve to keep the vehicle A/C system from back-filling the can, if the set is still hooked up and the pressure on the vehicle system is higher than the can pressure.

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InterDynamics Certified A/C Pro Super Seal Car Air Conditioner Refrigerant Stop Leak Kit, Repairs Metal Leaks and Seals Rubber Leaks in O Rings and Hoses, Includes Reusable Dispensing Hose, 3 Oz, InterDynamics

InterDynamics Certified A/C Pro Super Seal Car Air Conditioner Refrigerant Stop Leak Kit, Repairs Metal Leaks and Seals Rubber Leaks in O Rings and Hoses, Includes Reusable Dispensing Hose, 3 Oz, InterDynamics

Product ID: 82568479

🔧Seals metal & rubber leaks

♻️Reusable dispensing hose

❄️3oz total refrigerant & additives

Description

❄️ Seal the deal, cool with confidence!

LEAK DETECTION DYE - Includes red dye to visually identify leaks too large for repair, saving you time and guesswork.
DUAL ACTION FORMULA - Contains 1.5oz refrigerant plus 1.5oz additives for comprehensive leak sealing and system protection.
PRECISION LEAK REPAIR - Effectively seals pinhole leaks in metal A/C components and rubber parts like O-rings and hoses.
COST EFFECTIVE A C REVIVAL - Delays expensive repairs by restoring A/C functionality, perfect for extending your vehicle’s lifespan.
ECO FRIENDLY REUSABLE HOSE - Dispensing hose designed for R-134a cans with self-sealing valves, reducing waste and ensuring compliance.

InterDynamics Certified A/C Pro Super Seal is a 3oz stop leak kit combining refrigerant and additives to repair metal and rubber leaks in automotive A/C systems. Featuring a reusable hose compatible with R-134a cans and a red dye for leak detection, it offers a cost-effective solution to extend your A/C’s life and avoid costly repairs.

Specifications

ASIN	B004H8V0QY
Best Sellers Rank	#1,780,183 in Automotive ( See Top 100 in Automotive ) #70 in Automotive Replacement Refrigerant Retrofit Kits
Brand	InterDynamics
Customer Reviews	3.9 3.9 out of 5 stars (745)
Date First Available	February 18, 2010
Is Discontinued By Manufacturer	No
Item Weight	4 ounces
Item model number	AC02002EN
Manufacturer	STP
Manufacturer Part Number	AC02002EN
Model	STP SprSl ACStpLk KIT 6/40ml UK
Position	Outside
Product Dimensions	3 x 6 x 9.8 inches
Voltage	12 Volts

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