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On a 1993 Chevy 454 van, the low pressure port for the air conditioning system is typically located on the larger diameter A/C line, which runs between the compressor and the evaporator. You can find it near the front of the engine bay, often close to the firewall. It's usually capped with a blue or black plastic cover. Always ensure the A/C system is not under pressure before attempting to locate or connect to the ports.
What else can I help you with?
Where is the crankshaft sencer on a 1993 Chevy 454 located?
That year did not have a crank sensor on it.
What is the fuel pressure for a 1998 Chevy 3500 with a 454 engine?
The standard fuel pressure for a 1998 Chevy 3500 with a 454 engine is 50 PSI. If fuel pressure drops much below this level, the fuel injectors will not work properly.
Where is the oil pressure switch located on a 1999 Chevy suburban 4x4 2500 454?
where is the oil pressure switch on a 1999 chevy surburban
Where is the fuel pump for 1993 Chevy 454 on my motor home chasis?
It's in the fuel tank.
What is normal oil pressure for a 454 7.4 liter Chevy engine?
80 lbs
What is the fuel pressure for a 1989 Chevy 3500 with a 454 engine?
12 to 14 pounds ?
Did the 1993 Chevy half ton pickup come with a diesel?
No, only gasoline engines in 1993; 4.3 liter, 5.0, 5.7, and 7.4 (454).
Where is the fuel pump reset switch in a 1993 Chevy 454?
Gm vehicles do not use ineria/reset switches.
What is the fuel pressure on a 1994 Chevy RV chassis 7.4 454 v-8?
9-13psi
Where is the oil pressure sender located on a 454 Chevy engine?
The oil pressure switch and oil sender for older 454's are mounted on the lower left front of the engine block just above the oil pan.
What does an oil pressure sending unit look like on Chevy 454 v8?
try searching at bing.com images
Where do you locate oil pressure sending unit on 454 Chevy motor?
usually at the back of the engine around the distributor
