Chevrolet CAMARO 1979 Service Manual page 79

M A N U A L A I R C O N D I T I O N I N G 1 B - 2 5
'4" S€RtES C60
AIR FLOW DIAGNOSIS
I O O L S R € O U I R E D T V A C U U M G A U G E A N D V A C U U M H A N D p U M p O R J U M P Ê R H O S E .
T H I S D | Â G N O S I S A S S U M E S : r .
B L O W Ê n O p E R A T | N G C O R R E C T L Y .
2 . N O P R O B L E M S E X I S T W I T H R E S T A T C T E D O F M I S . I N S T A L L E D D U C T S ,
N O T E : V I O L E T I I O S E O N E N G I N E S I D E O F I V I D . C O N N E C T O R I I 4 A Y A E U S E D A 9 A S O U R C E O F V A C U U I V I W I T H A
J U M P E R H O S Ê .
N O A I R F L O W F R O M A / C O U T L E T S
M A K E C H E C K S W I T H E N G I N E W A R I V I A N D t D L I N G , C O N T R O L I N " N O R M - A N g A L O W E R O N - H t - .
D I S C O N N E C T V A C U U M I T I D - C O N N E C T O R B E H T N D G L O V E A O X A N O P L U G V A C U U M G A U G E I N V I O L E T H O S E I N
E N G I N E S I D E .
UNDER TO" VACUUM
OVER 10" VACUUM
CHECK VACUUM AT
VIOLET HOS€ NIPPLE
ON RÊSÊNVE TANK
TO BLUE HOSE AT
MID-CONNECTOR
{ E N G I N € S I D E )
AND CHECK AIR FLOW
DOES NOT FLOW
OUT A/C OUTLETS
FLOWS OUT A/C
OUTL€TS
REPAIR VIOLET
HOSE TO
MID.CONNECTOR
REPAIR HOSE
TO VACUUM
souRcE oR
FAULTY
RESERVE
TANK
RÊMOVE BLUE
HOSE FROM
UPPER MOD€
VACUUM TO
ACTUATOR
J O I N C O N N E C T O R
B E H I N D G L O V E 8 O X
A N D D I S C O N N E C T
L A R G E C O N N E C T O R
A T C O N T F O L
FLOIVS OUT
A/C OUTLETS
DOES NOT FLOW
OUT A/C OUlLETS
R€PAIR HOSE
BETWEEN
MID.CONNECTOR
AND ACTUATOR
MEASUR€ VACUUM
AT ACTUATOR
O V E F 1 O
UNDER 10"
R E P A I A
B I N D I N G
M O D E
R E P L A C E
MEASURE VACUUM AT VIOLET
HOSE AT CONÎROL CONNECTOR
UNDER 10"
REPAIR VIOLET
H O S E A E T W E E N
M I D . A N D C O N T R O L
C O N N E C T O R S O N
c60 0R c65 0B
R E P A I B L Ê A K I N G
T E M P . L E V Ê R
O B H O S E T O I T O N
c60
APPLY VACUUI]i TO
ALUE HOSE AT
CONTBOL CONNECIOR
C H E C K A I F F L O W
NOT OUT A/C OUTLEIS
OUT A/C OUTLETS
R E P A I F B L U E H O S E
B E T W E E N C O N T F O L
A N D M I D - C O N N Ê C T O R S
R E P L A C E R O T A R Y