Is there a check valve behind the A/C pressure cycling switch or do I have to drain down the system to change it?

Asked by Jul 04, 2012 at 03:04 PM about the 1993 Chevrolet C/K 1500

Question type: Maintenance & Repair

1993 CHEVY C1500 SUBURBAN
350/AUTO
2WD

3 Answers

1,655

the low preesure cycle switch does have a check valve under it , yes

1 out of 1 people think this is helpful.
16,195

Unsure of your question but yes. There are valves on the ac system used to charge and evacuate it. Letting the refridgerent into the atmosphere is illegal, stiff fine from the EPA.

16,195

Re-read the question. There is no way to change a part of the ac system without removing the refridgerent.

Your Answer

Add photo

Related Questions

  • Bleeding the ABS brake system only on 1995 C/K trucks only, Help!!!!!!!!!! 8 answers

    I understand that a very pricey scan tool is necessary when bleeding the brakes on a 1995 silveraro. Well after poking around on the web I read that without the scan tool you have to remove the two sm...

    1995 Chevrolet C/K 1500 Cheyenne Extended Cab LB 4WD

    -

    Maintenance & Repair

  • truck starts intermittently 17 answers

    97 chevy Silverado half ton replaced fuel filter, pressure holds 53 psi. cam shaft crank shaft correlation fault. 02 sensor code lean bank 1. but none of those are really my issue believe it or not. w...

    1997 Chevrolet C/K 1500 Silverado Extended Cab LB 4WD

    -

    Maintenance & Repair

  • 2002 Chevy Silverado oil pressure gauge 4 answers

    I have a 2002 Chevy Silverado 5.3 v6 rear wheel drive. The low oil pressure goauge light is coming on when the engine temp gets to 200 degrees. When first started it is reading 40 as normal. I h...

    Chevrolet C/K 1500

    -

    Maintenance & Repair

  • 97 chevy 5.7 no power 7 answers

    I have replaced everything I've changed timing oil pressure switch coolant temp sensor distributor timing set altinator fuel system from pressure regulator to fuel pump assembly including injector...

    1997 Chevrolet C/K 1500 WT Standard Cab SB

    -

    Maintenance & Repair

  • Fuel System Loses Pressure 19 answers

    I have a 2003 Chevy S-10 Pick Up with the 4 cylinder & auto trans. Whenever I start it I must "cycle" the key 2 or 3 times to prime the fuel system. If I don't it cranks a very long time before start...

    2003 Chevrolet S-10 2 Dr LS Standard Cab SB

    -

    Maintenance & Repair

C/K 1500

Looking for a Used C/K 1500 in your area?

CarGurus has 1,053 nationwide C/K 1500 listings starting at $1,999.

ZIP:

Search Chevrolet C/K 1500 Questions

Chevrolet C/K 1500 Experts

#1 Andrew Olsen
Andrew Olsen
Reputation 2,780
#2 John Saffrahn
John Saffrahn
Reputation 2,340
#3 Rowefast
Rowefast
Reputation 1,190
View All

Related Models For Sale

Used GMC Sierra 1500
1,137 Great Deals out of 57,460 listings starting at $995
Used Ford F-150
3,336 Great Deals out of 203,178 listings starting at $1,273
Used Chevrolet C/K 2500
259 listings starting at $3,900
Used Dodge Ram 1500
527 Great Deals out of 12,901 listings starting at $1,795
Used Chevrolet C/K 3500
254 listings starting at $2,995
Used Chevrolet S-10
9 Great Deals out of 1,613 listings starting at $2,450
Used Chevrolet Camaro
643 Great Deals out of 39,203 listings starting at $2,995

Used Cars For Sale

1998 Chevrolet C/K 1500 For Sale
183 listings starting at $4,500