Vortech Alpha H3 Hummer - 2008 User Manual

Page 28

P/N: 4GN020-015

20OCT08 v2.0 08HummrH3(4GNv1.0)

10. FINAL CHECK

If your vehicle has gone over 15,000 miles since

its last spark plug change, you will need to

change the spark plugs now before test driving

the vehicle.

Check all fitting, nuts, bolts and clamps for tight-

ness. Pay particular attention to oil and fuel lines

around moving parts, sharp edges and exhaust

system parts. Make sure all wires and lines are

properly secured with clamps or tie-wraps.

Check all fluid levels, making sure that your

tank(s) is/are filled with 91 octane or higher fuel

before commencing test drive.

Start the engine and allow to idle a few minutes,

then shut-off.

Recheck to be sure that no hoses, wires, etc. are

near exhaust headers or moving parts. Look also

for any signs of fluid leakage.

PLEASE TAKE SPECIAL NOTE: operating the

vehicle without ALL the subassemblies completely

and properly installed may cause FAILURE OF

MAJOR COMPONENTS.

H.O. Charge Cooled Kits Only

NOTE: Check to see that CAC coolant is flowing

through the surge tank. If coolant is not

flowing, remove the 3/4” rubber hose from

the side of the CAC and apply light suction

in an attempt to pass any trapped air in the

system. Reconnect the hose and recheck

coolant flow.

WARNING: Do not attempt to operate the

vehicle until all components are

installed and all operations are

completed including the final

check.

NOTE: Once the Re-flashed ECU and TCM are received back from Vortech, reinstall them in the reverse order removed.

Take care not to damage the harness connectors or ECU/TCM connection pins. Re-secure the washer fluid/coolant

reservoir assembly.