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What is the psi for a 90 gmc suburban?

Updated: 10/27/2022
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10y ago

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You need to specify which side of the system you're referring to, and whether it's still using R12 or has been retrofitted for R134a. Additionally, you'd need to give us an idea of what range you're looking at as far as ambient air temperature goes, as this does affect what your pressure readings should be.

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10y ago
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Q: What is the psi for a 90 gmc suburban?
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