Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Air Injection: Specifications


NOTE: Air pump belt tension should be checked with a belt tension gauge on the longest accessible span of the belt between two pulleys.

- When adjusting serpentine belt tension, adjust to 180 to 200 pounds for a new belt and 140 to 160 pounds for a used belt.

- When adjusting V-type belt tension, refer to the following specifications:

NEW BELT USED BELT

Pounds Pounds

4 Cylinder 40-60 40-60
V8 Engines 125-155 90-115
6 Cylinder
With Power Steering
65-75 60-70
Without Power Steering
125-155 90-115