Just drain the rad at the petcock (little valve on bottom) & fill w/50/50 mix.
Once every three months you should change the coolant in your 2003 S10 ZR2. ?æDifferent models and makes of vehicles may require you to change the coolant more or less often.
The 2003 Cadillac Escalade has a V8 engine.
The 2003 Cadillac Escalade has 16 valves.
The 2003 Cadillac Escalade is a gas-powered vehicle.
The 2003 Cadillac Escalade has a 4-speed automatic.
The 2003 Cadillac Escalade has overhead valves (OHV).
My 2003 Escalade ESV has a 6.0
The 2003 Cadillac Escalade-EXT has 16 valves.
The maximum payload of the 2003 Cadillac Escalade is 1393 lbs..
The 2003 Cadillac Escalade-ESV has a V8 engine.
The 2003 Cadillac Escalade is 16 ft. 6.9 in. (198.9 in.) long.
The height of the 2003 Cadillac Escalade is 6 ft. 4.5 in. (76.5 in.).