Hyundai Santa Fe (DM): Injector. Repair procedures
Inspection
1. |
Turn the ignition switch OFF.
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2. |
Disconnect the injector connector.
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3. |
Measure resistance between the injector terminals 1 and 2.
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4. |
Check that the resistance is within the specification.
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Removal
In case of removing the high pressure fuel pump, high pressure
fuel pipe, delivery pipe, and injector, there may be injury caused by
leakage of the high pressure fuel. So don’t do any repair work right
after engine stops.
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1. |
Turn the ignition switch OFF and disconnect the battery negative
(-) cable.
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2. |
Release the residual pressure in fuel line.
(Refer to Engine Mechanical System - "Coolant")
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3. |
Remove the delivery pipe & injector assembly.
(Refer to Fuel Delivery System - "Delivery Pipe")
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4. |
Remove the fixing clip (A), and then separate the injector from
the delivery pipe.
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Installation
1. |
Combustion seal
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2. |
Rubber washer
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3. |
Support disc
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4. |
O-ring
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1. |
Install in the reverse order of removal.
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Replacement
The injector combustion seal should be replaced new one to prevent leakage
after removing the injector.
1. |
Remove the combustion seal (A) with a wire cutter.
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2. |
Before the assembly of the sealing ring the groove must be cleaned
using a clean cloth.
Any coking of the injector sealing surface must be carefully removed
with a brass-wire brush.
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3. |
Place the seal installing guide (B) (SST No.: 09353-2B000) on
the tip of the injector not to damage the injector tip (A).
Push the sealing ring (C) with thumb and index finger over the
conical assembly tool until it snaps into the groove.
The complete assembly must not take longer than 2 to 3 seconds.
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4. |
To size the sealing ring the injector is first introduced into
the sizing tool (A) (SST No.: 09353-2B000) and then pressed and at the
same time rotated 180° into the sizing tool.
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5. |
Pull the injector out of the sizing tool by turning it in the
reverse direction to that used for the press-in process.
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6. |
Check the combustion seal (A) installation.
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Injector. Schematic Diagrams
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