Gears, guides, and wrench-ready repair know-how.
Transmission cooler line leaks often trace back to mismatched threads or missing seals—not failed coolers. This guide walks through AN, NPT, and OEM quick-connect fittings, with a selection chart, torque tips, and the small parts that prevent comebacks.
A first valve body rebuild can go sideways fast without the right tools—but you don't need a showroom's worth of gear. Here are ten tools that pay for themselves, with budget and pro-grade picks, plus a few gadgets to skip.
That highway-speed shudder in a 4L60E often gets mislabeled as a slipping transmission, but the torque converter clutch circuit is frequently the real culprit. Here is a scan-tool-first path through TCC solenoid behavior, PWM lockup, converter lining wear, and the parts-versus-rebuild call.
A used transmission can save real money, but only if you inspect it like a detective instead of a gambler. These five checks cover fluid, pan contents, converter play, case damage, and application matching before cash changes hands.
The 6L80 and 6L90 are everywhere, and their valve bodies fail in a handful of predictable ways. This guide walks through the diagnosis that separates an electrical fault from bore wear, then lays out when a rebuild kit is the smart money and when a remanufactured or upgraded unit is the only answer.
A hard freeze finds every tired seal, weak battery, and lazy solenoid on your transmission. Here is a practical, pass/fail walkaround that DIY drivers and shop techs can knock out in an afternoon, before the salt trucks roll and the tow season starts.