Navigator 4WD V8-5.4L VIN 5 (2006)
15. Remove the nuts and the remaining line brackets.
16. NOTE: If installing only one auxiliary heater line, cut only the desired line.
Assemble and lay out the replacement line(s) in the same position as the existing line(s) and, using a suitable tool, cut the auxiliary heater line(s) in
the same position as the fittings on the new line(s).
17. Remove the auxiliary heater line(s) in 3 separate pieces.
Installation
1. Partially lower the vehicle.
2. Attach the rear portion of the auxiliary heater lines.
1
Connect the heater hoses.
2
Install the line bracket.
3
Install the bolts.
3. Install the front auxiliary heater line(s) and connect the heater hose(s).
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Clean and lubricate the heater hoses with plain water only if needed.
4. Raise the vehicle.
5. NOTE: Loosely connect, but do not tighten, the fittings.
Install the middle auxiliary heater line(s).
