Fuel Pump Module Description - Dodge Sprinter 2006 Manual

14 - 18 FUEL DELIVERY
CAUTION: DO NOT crimp or bend fuel line. Inspect
sealing cone at line; replace line if compression
exists.
NOTE: Care must be taken not to cross the fuel
return and supply lines during installation.
(2) At t a ch fu el flow su pply a n d r et u r n lin es,
r ecr im pin g cla m ps u sin g specia l t ool #9539 (F ig. 9).
CAUTION: NEVER slacken the thread connection.
Use a wrench to counterhold at threaded connec-
tion when slackening and tightening torque in order
to avoid also slackening the threaded connection
the next time.
CAUTION: DO NOT crimp or bend fuel line. Inspect
sealing cone at line; replace line if compression
exists.
(3) At t a ch h igh pr essu r e fu el lin e t o pu m p.
Tigh t en t o 22N·m (194 lbs.in .) (F ig. 9).
(4) In st a ll t h e viscou s fa n .
(5) Con n ect n ega t ive ba t t er y ca ble.
(6) St a r t en gin e, a llow t o r u n , t u r n en gin e off a n d
in spect for lea ks (Refer t o 14 - F UE L SYSTE M -
WARNING), (Refer t o 14 - F UE L SYSTE M - DIAG-
NOSIS AND TE STING).
FU EL PU M P M ODU LE
DESCRIPTION
Th e fu el pu m p m odu le is in st a lled in t h e t op of t h e
fu el t a n k (F ig. 10). Th e pu m p m odu le con t a in s t h e
followin g com pon en t s:
• E lect r ic fu el pu m p (t r a n sfer, or lift pu m p)
• F u el r eser voir
• F u el ga u ge sen din g u n it (fu el level sen sor )
• F u el su pply lin e con n ect ion
• F u el r et u r n lin e con n ect ion
Fig. 10 TOP OF FUEL TANK
1 - Cooler Lines
2 - Top of Tank
3 - Expansion Tank
4 - Check Valves
5 - Check Valve
6 - Module Lock Ring
7 - Fuel Pump Module
F u el is su pplied t o t h e h igh -pr essu r e fu el in ject ion
pu m p by t h e low-pr essu r e fu el t r a n sfer (lift ) pu m p.
Th is elect r ic fu el pu m p is a t t a ch ed t o t h e fu el pu m p
m odu le a n d su pplies a ppr oxim a t ely 165 lit er s/h ou r
(43.6 ga llon s/h ou r ). A low-pr essu r e fu el pu m p is n ot
a t t a ch ed t o t h e en gin e.
REMOVAL
CAUTION: To prevent damage to the float rod, the
float and float rod must be removed from the pump
module. This step must be done before the pump
module is removed from the fuel tank.
(1) Dr a in a n d r em ove fu el t a n k. Refer t o F u el
Ta n k Rem ova l/In st a lla t ion .
(2) Th or ou gh ly clea n a r ea a r ou n d pu m p m odu le a t
t op of t a n k.
(3) Discon n ect a ll fu el lin es fr om pu m p m odu le fit -
t in gs.
(4) Th e pla st ic fu el pu m p m odu le lockn u t (lock-
r in g) is t h r ea ded on t o fu el t a n k. In st a ll Specia l Tool
#6856 t o lockn u t a n d r em ove lockn u t (F ig. 11). Th e
fu el pu m p m odu le will spr in g u p sligh t ly a ft er lock-
n u t is r em oved.
VA