Operation CHARM: Car repair manuals for everyone.
Home >> Ford >> 1996 >> Mustang V8-4.6L DOHC >> Repair and Diagnosis >> Heating and Air Conditioning >> Testing and Inspection >> Pinpoint Tests >> Pinpoint Test A: Check System Airflow
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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Pinpoint Test A: Check System Airflow


Pinpoint Test A: Improper/Erratic Direction Of airflow From Outlet(S)






Pinpoint Test A1-A2 Check System Airflow And Vacuum Supply Hose






Pinpoint Test A3-A4 Leak Check Vacuum Supply Hose







Pinpoint Test A5-A6 Inspect Vacuum Check Valve







Pinpoint Test A7-A8 Check Vacuum Reservoir And Supply Hose






Pinpoint Test A9-A11 Check Control Assembly, Leak Test Control Assembly And Supply Hose for Blockage






Pinpoint Test A12-A14 Leak Test Jumper Vacuum Harness, Evaluate System Airflow and Isolate Leaking Vacuum System






Pinpoint Test A15-A18 Review Vehicle History, Check Vacuum Hoses and Check Vacuum Circuit







Pinpoint Test A19-A21 Check Vacuum Circuit Connections, Check Vacuum Hose And Check Vacuum Control Motor






Pinpoint Test A22 Check Vacuum Control Motor Installation

pro multis · About Operation CHARM