Oil drain plug size on a 2002 chevy trailblazer

SOURCE: locate camshaft sensor 2002 chevy trailblazer

Assuming you have a 4.2L engine here is the location.


Hope this helps out,
if so please rate my answers.
Brett

Marvin

• 85242 Answers
• Posted on Apr 13, 2009

SOURCE: what;s the oil capacity for

Here are the Fluid CAPACITIES & MORE:
Engine, with filter..........4.6 quarts[1]
Cooling System, Initial Fill..........12.0 quarts
Automatic Transmission, Total Fill
4 speed 4L60, 60E..........11.0 quarts
Manual Transmission, NV1500..........5.7 pints
Manual Transmission, NV3500..........4.2 pints
Differential, with 8.6 ring gear Rear..........4.0 pints
Differential, with 7.25 ring gear Front..........2.5 pints[2]
Differential, with 8.25 ring gear Front..........4.2 pints[2]
Differential, with 9.25 ring gear Front..........5.9 pints[2]
Differential, Front..........2.5 pints
Differential, Rear..........4.0 pints
Transfer Case,BW4472..........2.5 pints
Transfer Case,NV136/236/246..........4.0 pints
Transfer Case,NP207..........4.6 pints
Transfer Case,NP231, NP233..........2.3 pints[3]
Transfer Case,NV231/233..........2.1 pints[3]
1. After refill check oil level.
2. Do not use synthetic lubricant in axles using RTV sealant.
Synthetic lubricant will chemically atack RTV sealant.
3. Identification: check tag on case.

Bruce Bracey

• 1000 Answers
• Posted on Jul 10, 2009

SOURCE: oil drain plug

The oil drain plug is located on the bottom of the oil pan, under the truck. The plug size if metric, 15 mm.
Good luck.
Regards,

SOURCE: 2002 chevy trailblazer with massive oil leak.

oil pan, or rear mainseal housings are common leaks on these... also if 4wd, diff runs thru oil pan..