Hoses And Connections - Subaru XT 1988 Service Manual

PERIODIC MAINTENANCE SERVICES
1-5
. . Replace Fuel Filter and
ail
Inspect Fuel System
Hoses and Connections
REPLACEMENT
a. Before starting the job, be sure to carry out the following .
• Place "No fire" signs near the working area.
• Disconnect ground cable from battery.
b. Be careful not to spill fuel on the floor.
MPFI
1)
Removal
(1) Before removing the hose, filter, pump, etc., be sure
to release the fuel pressure, as follows:
• Disconnect the wiring connector of the fuel pump.
• Crank the engine for more than five seconds.
If the engine starts, let the engine run until it
stops.
• After turning IG switch OFF, connect the wiring
connector of the fuel pump.
(2)
Loosen the screw of the hose clamp and pull off the
hose from the filter.
Fig. 24
--+--+-4 -
7 (0.16 - 0.28)
I...
When fitting length
is specified
(3)
Tighten the hose clamp screw to the specified torque.
Tightening torque:
1.0 - 1.5 N·m (0.1 - 0.15 kg-m, 0.7 - 1.1 ft-Ib)
(4) If the hose is damaged at the clamping portion,
replace the hose with a new one.
(5) If the hose clamp is too deformed, replace with a
new one.
(6) Fit the hose to the filter, then install the filter to the
15
MAINTENANCE INTERVAL
[Number of months or km (miles), whichever occurs first]
Months
7.5 15 22.5 30 37.5 45 52.5
x 1,000 km 12 24 36 48 60 72
84
x 1,000 miles 7.5 15 22.5 30 37.5
45 52.5
1m
(3) Remove the filter from the holder.
Fig. 23
2)
Installation
(1) I nstall the filter to the holder.
(2)
Connect the hose as illustrated below:
Unit: mm (in)
25 - 30 (0.98 - 1.18)
r=:
--*--+--4 - 7 (0.16 - 0.28)
When fitting length
is not specified
60
96
60
m
A21-232
holder. Correct the hose position by removing any twist
so that it will not interfere with the filter body or washer
tank, before tightening the screw of the hose clamp.
INSPECTION
FUEL PIPING AND CONNECTIONS
Check fuel piping and connections for leakage.