Mustang Cobra V8-281 4.6L DOHC VIN V MFI (1997)
Radiator Hose: Service and Repair
Bypass
REMOVAL
1. Disconnect battery ground cable (14301). Refer to Starting and Charging.
2. Drain engine coolant.
3. Disconnect two center ignition wire separators (12297) from generator mounting bracket (10153).
4. Disconnect generator wiring harness positioning clip from generator mounting bracket.
5. Remove two bolts and two studs attaching generator mounting bracket to generator (GEN)(10300) and intake manifold (9424).
6. Lift ignition wires and generator harness. Remove generator mounting bracket.
7. Disconnect water bypass tube to water thermostat housing hose and upper radiator hose (8260) at water bypass tube.
8. Disconnect engine control sensor wiring (12A581) from both engine coolant temperature sensor (ECT) and water temperature indicator sender
unit (10884) connections at bottom of water bypass tube.
9. Remove retaining nuts from water bypass tube hold-down braces to intake manifold studs and remove water bypass tube.
INSTALLATION
1. Replace O-ring seals on water bypass tube as required. Replace center O-ring seal on water bypass tube if needed.
CAUTION: Do not cut O-ring seal during tube installation into cylinder heads (6049) or engine coolant leakage may occur.
2. Clean O-ring sealing surface on cylinder heads and coat water bypass tube sealing O-rings with Ford Premium Cooling System Fluid
E2FZ-19549-AA or B, in Oregon F5FZ-19549-CC in Canada, Motorcraft CXC-8-B, recycled coolant, or equivalent meeting Ford specification
ESE-M97B44-A. Insert water bypass tube support braces over intake manifold inner studs and press water bypass tube into position.
3. Install two water bypass tube retaining nuts and tighten to 8-12 Nm (71-106 inch lbs.).
4. Connect engine control sensor wiring to the ECT and water temperature indicator sender unit connectors.
5. Verify conductivity of water temperature indicator sender unit using Rotunda 73 Digital Multimeter 105-R0051 or equivalent. Touch body of
water temperature indicator sender unit with probe and other probe to ground. If more than 1 ohm resistance, remove water bypass tube and
remove paint on bottom of mounting tabs.
6. Connect water bypass tube to water thermostat housing hose and upper radiator hose at water bypass tube.
7. Position generator mounting bracket and install two front retaining bolts and two rear stud bolts. Tighten to 8-12 Nm (71-106 inch lbs.).
8. Connect generator wiring harness retaining clip to generator mounting bracket.
