Thermostat Housing - Top View
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Thermostat Housing - Top View
| Service Hole Location | Thread Size | Drill | Counterbore Tool | Stop Collar | Tap | Driver | Insert | Drill Depth (Max) | Tap Depth (Min) | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| - | mm | (in) | mm | (in) | |||||||
| 1 | M 8 x 1.25 | -206 | -207 | N/A | -208 | -209 | -210 | 21 | 0.827 | 17 | 0.669 |
| 2 | M 8 x 1.25 | -206 | -207 | N/A | -208 | -209 | -210 | THRU | THRU | ||
| 3 | NPT 3/8 | -2013 | N/A | N/A | -294 | -2015 | -2016 | THRU | THRU | ||
| 4 | M 8 x 1.25 | -206 | -207 | N/A | -208 | -209 | -210 | 19 | 0.748 | 15 | 0.591 |