Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSACURA2008MDX V6-3.7LREPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTCOOLING SYSTEMRADIATOR COOLING FANSERVICE AND REPAIR
2008 Acura MDX V6-3.7L
Radiator Cooling Fan: Service and Repair
2008 Acura MDX V6-3.7LSECTION Service and Repair
Radiator and Fan Replacement
NOTE:
^ Use fender covers to avoid damaging painted surfaces.
^ To avoid damaging the wire and terminals, unplug the wiring connectors carefully while holding the connector portion.
^ Mark all wiring and hoses to avoid misconnection. Also, be sure that they do not contact any other wiring or hoses, or interfere with any other parts.
1. Make sure you have the anti-theft codes for the audio system and navigation system (if equipped). Make sure the ignition switch is in the LOCK (0) position.
2. Disconnect the negative cable from the battery, then disconnect the positive cable.
3. Remove the battery and battery base.
4. Remove the air cleaner assembly.
5. Remove the front grille cover, then remove the front grille.
6. Disconnect the fan motor connectors (A), harness clamp (B), engine coolant temperature (ECT) sensor 2 subharness connector (C) and coolant reservoir hose (D).
7. Drain the engine coolant.
8. Remove the upper radiator hose.
9. Unclamp the hose clamps (A) and remove the ATF cooler hoses (B), then plug the line and hoses.
10. Remove the ATF cooler pipe mount bolts (C), then remove the ATF cooler pipe (D).
11. Remove the lower radiator hose (A) and disconnect the ECT sensor 2 connector (B) and loosen the two bolts (C).
12. Disconnect the hood latch switch connector (A), clamps (B), then remove the hood latch (C).
13. Remove the bulkhead bracket (D), and radiator and A/C condenser mount upper bracket/cushion (E), then remove the fan shroud mount bolts (F).
14. Move the fan shroud assemblies toward the engine, then pull up the radiator assembly (A).
15. Remove the fan shroud assemblies.
16. Install the radiator and fans in the reverse order of removal.
17. Install the bulkhead bracket in the reverse order of removal. Apply body paint to the bulkhead bracket mounting bolts.
18. Set the upper and lower cushions securely.
19. Fill the transmission with ATF.
20. Install the battery. Clean the battery posts and cable terminals, then connect them to the battery. Apply grease to the battery terminals to prevent corrosion.
21. Fill the radiator with engine coolant and bleed the air from the system.
22. Adjust the engine hood latch.
23. Do the steering column position memorization.
24. Enter the anti-theft codes for the audio system and navigation system (if equipped).
25. Set the clock (on vehicles without navigation).
NOTE:
^ Use fender covers to avoid damaging painted surfaces.
^ To avoid damaging the wire and terminals, unplug the wiring connectors carefully while holding the connector portion.
^ Mark all wiring and hoses to avoid misconnection. Also, be sure that they do not contact any other wiring or hoses, or interfere with any other parts.
1. Make sure you have the anti-theft codes for the audio system and navigation system (if equipped). Make sure the ignition switch is in the LOCK (0) position.
2. Disconnect the negative cable from the battery, then disconnect the positive cable.
3. Remove the battery and battery base.
4. Remove the air cleaner assembly.
5. Remove the front grille cover, then remove the front grille.
6. Disconnect the fan motor connectors (A), harness clamp (B), engine coolant temperature (ECT) sensor 2 subharness connector (C) and coolant reservoir hose (D).
7. Drain the engine coolant.
8. Remove the upper radiator hose.
9. Unclamp the hose clamps (A) and remove the ATF cooler hoses (B), then plug the line and hoses.
10. Remove the ATF cooler pipe mount bolts (C), then remove the ATF cooler pipe (D).
11. Remove the lower radiator hose (A) and disconnect the ECT sensor 2 connector (B) and loosen the two bolts (C).
12. Disconnect the hood latch switch connector (A), clamps (B), then remove the hood latch (C).
13. Remove the bulkhead bracket (D), and radiator and A/C condenser mount upper bracket/cushion (E), then remove the fan shroud mount bolts (F).
14. Move the fan shroud assemblies toward the engine, then pull up the radiator assembly (A).
15. Remove the fan shroud assemblies.
16. Install the radiator and fans in the reverse order of removal.
17. Install the bulkhead bracket in the reverse order of removal. Apply body paint to the bulkhead bracket mounting bolts.
18. Set the upper and lower cushions securely.
19. Fill the transmission with ATF.
20. Install the battery. Clean the battery posts and cable terminals, then connect them to the battery. Apply grease to the battery terminals to prevent corrosion.
21. Fill the radiator with engine coolant and bleed the air from the system.
22. Adjust the engine hood latch.
23. Do the steering column position memorization.
24. Enter the anti-theft codes for the audio system and navigation system (if equipped).
25. Set the clock (on vehicles without navigation).
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.