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How to Fix a Sagging Door on a Classic GM Car: Replace the Hinge Pins and Bushings
A classic GM door that drops when you open it almost always has worn hinge pins and bushings. How to…
2006-2013 Volvo C70 Hardtop Won’t Close All the Way: Replace the Roof Lock Brace (1285014)
Volvo C70 hardtop stops just short at the windshield, guide pins miss their holes and the roof won’t latch? Check…
Rochester Quadrajet Number Decoder: Carb ID and Date Code Lookup
Quadrajet number decoder for Rochester 4-barrel, 2GC and Monojet carbs: year, division, transmission and build date, checked against 1,069 numbers.
How to Replace a Mechanical Fuel Pump on a Small-Block Chevy (and Keep the Pushrod From Falling)
How to replace a mechanical fuel pump on a small-block Chevy: test pressure and volume at the carb first, hold…
2001-2006 Acura MDX Rear Wiper, Defroster, or Liftgate Latch Not Working: Broken Wires at the Liftgate Hinge Boot
Rear wiper, rear defroster, liftgate light, or latch dead on your 2001-2006 MDX with good fuses? The wires inside the…
How to Replace Upper Control Arm Bushings on a Chevelle or Other GM A-Body
How to replace upper control arm bushings on a GM A-body: worn bushing symptoms, rubber vs poly vs Delrin, shim…
Ballast Resistor & Ignition Coil Calculator (Specs Table)
Free ballast resistor calculator plus sourced GM, Ford and Mopar resistor and coil ohm specs, PerTronix and MSD rules, and…
How to Test a Ballast Resistor on a Classic Muscle Car With a Multimeter
How to test a ballast resistor on a classic muscle car with a multimeter: ohms checks, coil voltage in RUN…
2006-2010 Hyundai Sonata Blowing Hot on One Side, Cold on the Other: Blend Door Actuator Fix (Dorman 604-310 / 604-308)
One side of your 2006-2010 Sonata stuck hot or cold while the mode vents still work? It is the temperature…
How to Track Down Overheating on a Classic Small-Block
Classic small-block Chevy overheating? Here is how to track it down in order: thermostat, water pump rotation, fan clutch, shroud,…