Other

What is a reverse polarity relay?

What is a reverse polarity relay? This is done by reversing the voltage polarity to the motor wire leads. This Reversing Module is needed when you want to use a switch that doesn't automatically switch (reverse) both the positive and ground to the electric motor (such as a 3-wire switch or remote control). Can relays reverse polarity? Changing Polarity The supply voltage would first be applied correctly, then reversed. This is easily done with a relay that switches the polarity of an isolated supply. How to wire a reverse polarity switch? Please try again later. Reverse Polarity Switching by wiring...
Easy lifehacks

What causes the p0404 code on the EGR?

What causes the p0404 code on the EGR? What causes the P0404 code? 1 The ECM monitors the EGR position with a sensor mounted on top of the EGR valve and the valve was out of a set position when the EGR was commanded 2 The EGR valve movement should be smooth without jerking or the ECM sets the code. 3 The EGR sensor went above upper limits when the EGR was commanded open by the ECM. Is the p0404 valve on my Malibu gone? I have a 2002 Chevy Malibu LS with the 3.1L V6 engine. I had a...
Easy lifehacks

What is the dimming switch on a Chevy Tahoe?

What is the dimming switch on a Chevy Tahoe? The panel dimming switch is part of the headlight switch assembly. The instrument cluster facia pulls loose from the dash carrier. The steering column needs to be placed in the full tilt down position. The shift lever needs to be pulled down into the lowest gear position also. When removing this panel the top edge will have to be tilted out first. Why are the lights on my Chevy Tahoe not working? 2002 Chevrolet Tahoe, Dash Lights Do Not Work This 2002 Chevrolet Tahoe came in with the complaint that the...
Other

Is synthetic oil good for older trucks?

Is synthetic oil good for older trucks? It's long been rumored that switching to synthetic oil in an older truck will damage its engine. As a result, we no longer have to worry about synthetic oil damaging older engines. However, it's worth mentioning that switching to synthetic oil may lead to quicker oil consumption. What should the oil pressure be on a 1998 Chevy truck? 1998 Chevy Truck K 1500 Truck 4WD V8-5.7L VIN R Oil Pressure (Minimum at Normal Operating Temperature) 1000 42 kPa (6 psig) 2000 125 kPa (18 psig) 4000 166 kPa (24 psig) What should the...
Easy tips

What do you need to replace an exhaust manifold gasket?

What do you need to replace an exhaust manifold gasket? Please try again later. Exhaust manifold gaskets require metal beads where the gas passes through at very high temperatures and low pressure. These metal beads are always reinforced with metal sheets to resist the component movement that arises from large fluctuations in temperature. Where can I get an exhaust manifold for free? Only 5 left in stock - order soon. Ships from and sold by 1A Auto. In Stock. FREE Shipping on orders over $25.00. Details In Stock. FREE Shipping on orders over $25.00. Details . . What happens if...
Other

What should I do if my car accelerates when I step on the brakes?

What should I do if my car accelerates when I step on the brakes? When your car is accelerating uncontrollably, step on the brakes as hard as you can. Instead of pumping the brake pedal, just keep it on a hard and consistent press. You might have to step on the brake pedals harder than usual. Although the car may not slow down immediately, they will slow down the vehicle and stop it eventually. Why are the brakes not working on my car? If the brakes do not work and the pedal is hard, then there is likely a mechanical...
Common questions

Is it possible to destroy a Cummins Turbo 400?

Is it possible to destroy a Cummins Turbo 400? GM p-30 panel delivery trucks that had Cummins engines (4bt and the 6bt?) also had GM transmissions (turbo 400 and others) with the bell housing adapter you are looking for. Check ebay. ok thanks guys, good to know its possible to do, and sounds fairly simple. Excellent way to destroy a turbo 400. I wouldn't do it, in other words. What kind of engine is a Cummins remanufactured? Mopar® Reman 5.9L / 6.7L Turbo Diesel engines are Cummins engines remanufactured by Cummins ReCon® Cost-effective, no-surprise solution that quickly puts your Cummins-powered...
Easy tips

What causes the p0059 OBD-II trouble code?

What causes the p0059 OBD-II trouble code? When this trouble code sets it means there is some sort of malfunction in the heater circuit for the bank 2 sensor 1 oxygen sensor. This most likely means that the heater is non-operational. What causes the P0059 code? What should I do if I find a p0059 code on my heater? Although generic, the specific repair steps may vary depending on make/model. When I discover a stored P0059 code, I know that the powertrain control module (PCM) has detected a malfunction in the heater circuit of the upstream (or pre catalytic converter)...
Easy lifehacks

How does the electronic spark advance system work?

How does the electronic spark advance system work? However, there is yet another variable to be controlled, which assists the engine control system in meeting exhaust gas emission regulations. The electronic spark advance (ESA) system calculates duration for keeping the electric power on and the timing of ignition, and outputs an ignition signal depending on the crank angle. What's the difference between pre ignition and spark advance? SYMPTOMS OF INCORRECT IGNITION TIMING. Pinging or spark knock is properly called "pre-ignition" and is often incorrectly called "valve noise" because it sounds similar to loose valves that need adjusting. The difference is...
Easy lifehacks

What engine does a 1972 Corvette have?

What engine does a 1972 Corvette have? 1972 Corvette OverviewModel:1972 CorvetteEngine:350ci – 200HP Engine (standard), 350ci – 255HP Engine, 454ci – 270HP Engine (n/a in California)VIN:Z37K2S500001 – 1Z37K2S527004Transmission:4-speed manual (standard), 4-speed manual (optional), 3-speed Turbo Hydra-Matic automatic (optional) What kind of engine does a 1972 Corvette have? +98 lb. (With Standard Engine, Manual Transmission) +82 lb. (With Standard Engine & Automatic Transmission) +88 lb. (With 454 Cubic Inch Engine) Notes: Base Corvette Coupe with 350 cu. in. 200 hp engine and wide ratio four speed manual transmission: $5,533.00. What are the specs of a 1973 Corvette? 1973 Corvette Main Specs...