Tag: sierra
GMC Sierra Stereo Wiring & Radio Interface Guide (1999–2016)
Updated November 10, 2026. This GMC Sierra stereo wiring guide now covers equipment identification and radio-interface selection for 1999–2016 trucks. It is not an...
How To Identify Your Vortec Engine
Vortec engines are a terrific source of engine swap donors, and if you are looking for a budget build it's hard to beat. Junkyards...
How To Install a LR4 Water Pump
The 4.8 liter GEN III GMC engine known as the LR4 is a very common engine, found in many late model trucks and vans....
How To Replace your GMC Sierra Thermostat
When you have overheating problems in your GMC Sierra, it can lead to check engine codes like P1258 and engine damage. If your Sierra is overheating...
DTC P1258 – How To Replace your GMC Sierra ECT
The GM specific OBDII trouble code of P1258 involves your Engine Coolant Temperature sensor. The specific wording behind this trouble code is Engine Coolant...
How To Install a GMC Sierra Radio
Whether you are upgrading your factory stereo or upgrading to a navigation system, it can be handy to know how to install a GMC...
Budget Builds for LS Swaps Part 2
Kicking off Part 2 of our LS Budget Build writeup is the 6.0 liter GEN III and GEN IV engines from Chevrolet. If you...
Budget LS Builds for Swaps
LS Engine swaps are becoming more and more popular, not only for the copious horsepower and torque numbers from a small block, but the...
FAQ : What Will LS Heads Fit
We get this question often considering the amount of people who are looking for the ultimate LS or to build their own LS, one...
