6
(See
ENGINE TUNE-UP [MZI-
3.7]
.)
z
Is it okay?
No
Follow the repair instruction described in section
01, then go to Step 19.
7
INSPECT REFRIGERANT AMOUNT
z
Inspect refrigerant amount.
z
Is it okay?
Yes Go to Step 10.
No
Go to the next step.
8
INSPECT REFRIGERANT LINES
z
Inspect refrigerant lines.
{
Is piping free of damage and
cracks?
{
Are piping connections free of
oil grime? (Visual inspection)
{
Are piping connections free of
gas leakage?
{
Are piping installation points
on condenser free of gas
leakage?
{
Are piping installation points
on receiver/drier free of gas
leakage?
{
Are piping installation points
on A/C compressor free of gas
leakage?
{
Are piping installation points
on A/C unit free of gas leakage
{
Perform gas leak inspection
using gas leak tester.
z
Are above items okay?
Yes Go to the next step.
No
If piping or A/C component(s) is damaged or
cracked, replace then go to Step 19.
If there is gas leakage, repair or replace
connection and replace condenser
(1)
, then go to
Step 19.
9
INSPECT EVAPORATOR PIPING
CONNECTIONS IN A/C UNIT FOR
GAS LEAKAGE
z
Are piping connections for
evaporator in A/C unit free of gas
leakage?
Yes
Adjust refrigerant amount to specified level, then
go to Step 19.
No
If piping is damaged or cracked, replace then go
to Step 19. If there is gas leakage, repair or
replace connection and replace condenser
(1)
, then
go to Step 19.
10
CHECK TO SEE WHETHER
MALFUNCTION IS IN
COMPRESSOR OIL OR
ELSEWHERE
z
Add
20 ml {20 cc, 0.8 fl oz}
of
Yes Go to the next step.
No
Troubleshooting completed.
2008 Mazda CX-9 Grand Touring
2008 HVAC Symptom Troubleshooting (HVAC) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:14:51 AM
Page 31
© 2005 Mitchell Repair Information Company, LLC.