No need to drain rad You dont even need to remove the lower rad hose just remove the four bolt on the water pump pully 10mill wrench then the pully should come off after that there are 5 8mill bolt that attach the pump to the housing easy as that by the way you need to left up the idler pully to get the belt off it swings up See "How to change water pump on 1990 Lumina". 98 lumina water pump is it the same
On the muffler
How to trouble shoot fuel pump on 98 Chevy Venture
Consider this - I have a 91' Chevy lumina with 256k miles on it, and aside from an oil leak, it still runs like a top
Remove the water supply hoses to your 1998 Chevy Lumina heater core. Remove the heater core retaining bolts. Reverse the procedure to install the new heater core.
It is below the alternator and kind of hard to see.
Only when the AC is on.
The guy that changed the pump on the 98 Chevy Truck helped me on my 97 Dakota.
what is the spark plug gap for a 98 Chevy lumina sedan 3.1Liter engine
The Flasher Relay for the 98 Lumina Sedan, (and all 97-03 GM W-Body
You will need to remove the retaining ring at the top of your 1998 Chevy Lumina ignition switch. Slide the ignition switch out. Remove the wiring harness.
The easiest way to disable the 1998 Chevy Lumina factory alarm is to remove the factory alarm fuse. The factory alarm fuse can be found in the fuse box.