Cold Start Valve Assembly; Fuel Pressure Connection Assembly . C2-10 - Pontiac Fiero 1988 Service Manual

SE3-C2-10
D R I V E A B I L I T Y A N D E M I S S I O N S
- FUEL INJECTION (PORT)
fT]
TUBE
AND
BODY
ASSEMBLY
BODY O - R I N G
SEAL
COLD START VALVE
VALVE
O - R i N G
SEAL
TUBE O-RING SEAL
8 P 0943-AS
[ T | F U E L BLOCK
f T I FUEL PRESSURE CONNECTION ASSEMBLY SEAL
fT| FUEL PRESSURE CONNECTION A S S E M B L Y
[ T ] F U E L P R E S S U R E CONNECTION A S S E M B L Y C A P
8P 0947-AS
Figure C2-15- Cold Start Valve
Figure C2-16 - Fuel Pressure Connection Assembly
COLD START VALVE ASSEMBLY
Replacement (Figure C2-15)
E3
Remove or Disconnect
1. Plenum, following above instructions.
2. Tube and body assembly from fitting on fuel rail.
3. Cold start valve electrical connector.
4. Cold start valve retaining bolt.
5. Cold start valve from intake manifold.
Clean
• Areas around valve and connection with AC-Delco
X-30A or equivalent.
Disassemble
Raise tab on tube and body assembly so it will
clear electrical connector and unscrew cold start
valve.
Remove o-ring seals from tube and body assembly,
cold start valve, and fuel rail fitting and discard.
Assemble
1. Lubricate new o-ring seals and install on tube and
body assembly, cold start valve, and fuel rail
fitting.
2. Cold start valve onto tube and body assembly.
Screw in valve until it bottoms, then back off
until hole in valve mounting lug will be
aligned with hole in intake manifold when
assembly is mounted.
Bend tab over cold start valve to lock it in
position.
™~
|~»<-j Install or Connect
1. Cold start valve into port in intake manifold.
2. Cold start valve retaining bolt.
M
T i 9 h t e n
• Retaining bolt to 25 N-m (19 lb. ft.).
3. Tube and body assembly at rail fitting.
Tighten
• Fitting to 10 N-m (88 lb. in.).
4. Electrical connector on cold start valve.
l& Inspect -
• Energize fuel pump and inspect for leaks.
5. Intake manifold plenum, per previous
instructions.
FUEL PRESSURE CONNECTION ASSEMBLY
Replacement (Figure C2-16)
Remove or Disconnect
1. Fuel pressure connection assembly.
2. Fuel pressure connection seal. Discard seal.
I2i
Clean
Area around fuel pressure connection with AC
Delco X-30A or equivalent.
-•4-
Insfall or Connect
1. New seal on fuel pressure connection assembly.
2. Fuel pressure connection assembly in fuel rail.
[ ^ | Tighten
• Fuel pressure connection assembly to 10.0 N-m
(88.0 lb.in.).
) ? Inspect
Energize fuel pump and check for leaks.