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When you should turn off your directional signal?

When you should turn off your directional signal? Your turn signal should turn off after a turn or a lane change, but if it does not, you should turn it off manually, as soon as possible. What to do when your lights are intermittent? If an intermittent is affecting the operation of several different components (say the interior lights, wipers and horn), you may discover that they all share a common power supply or ground. This can save you the time of trying to disconnect and check each component individually. What happens when there is an intermittent electrical problem? If...
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Why is the VIN number on my car invalid?

Why is the VIN number on my car invalid? As of the model year (MY) 1981, the NHTSA required all vehicles manufactured for road use to be assigned a 17-digit VIN number. So, any vehicles manufactured in 1981 or later with VINs shorter than 17 characters are invalid. 3. Your VIN does not pass the VIN checksum test Why is the VIN number in the ninth position? Vehicles destined for the U.S. and Canadian markets include a check digit in the ninth position to determine the VIN's validity. There are five steps to the error checking algorithm, or VIN checksum,...
Easy lifehacks

Is there a problem with my Chevy tracker?

Is there a problem with my Chevy tracker? Twice now in 2 years the engine has totally died. All other electrics were OK ( lights starter etc.) No "check engine" light. Starter would crank normally, but no start. Why is my tracker not shifting to 4WD? Hi markmaki, If your Tracker shifts into 4wd electronically, you may have a blown fuse or bad switch. If it's shifted into 4wd by a shift lever your linkage may have come apart. Either mechanism could fail shifting into 4wd if the front differential is not working properly. What kind of engine does a...
Common questions

When is the p1416 Chevrolet code detected?

When is the p1416 Chevrolet code detected? When is the P1416 CHEVROLET code detected? The P1416 code is set when no O2 sensor voltage change is detected by the Engine Control Module (ECM). A Secondary Air Injection (AIR) pump is used on this vehicle to lower tail pipe emissions on start-up. When is the p1416 air pump code set? The P1416 code is set when no O2 sensor voltage change is detected by the Engine Control Module (ECM). A Secondary Air Injection (AIR) pump is used on this vehicle to lower tail pipe emissions on start-up. The Powertrain Control Module...
Easy lifehacks

How many grounds does a SBC need?

How many grounds does a SBC need? Make sure you have good clean metal to metal contact. One ground between engine and frame is sufficient if it is good enough. Can a bad ground Cause High voltage? Poor computer and/or sensor grounds can cause higher-than-normal sensor voltages and false trouble codes. In many cases, the bad ground prevents the computer or sensor from pulling a voltage signal down to or near ground zero. Do you need ground straps for an engine? You need a ground from batt. to block , block to frame and block to body . yeah i...
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How hard is it to replace injectors on a LB7?

How hard is it to replace injectors on a LB7? Unfortunately, Duramax injectors are both expensive and difficult to reach in the engine compartment for replacement, which prompted GM to extend its injector warranty to 200,000 miles. The LB7 is otherwise a very reliable engine. Diagnosing bad injectors on a 6.6L Duramax LB7 engine is usually pretty easy. What are the problems with the Duramax LB7? One thing the ’01-’04 LB7 Duramax is notorious for is injector failure. The two primary failure points of the factory injectors are internal cracking of the injector body itself and corrosion-induced failure of the...
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How to fix a leaking Chevy Malibu engine?

How to fix a leaking Chevy Malibu engine? On my '02 Chevy Malibu, the sequence begins: Disconnect the air cleaner. Take off the plenum. Disconnect the PCV valve and push it out of the way. Disconnect the heater bypass hoses and clamp them off (or jam sharpie pens into the hoses, this works just as good as a clamp). Disconnect the thermostat by-pass pipe and remove it. Why is coolant leaking from my GM 3.1L engine? One of the most common problems on the GM 3.1L and 3.4L V6 engines is coolant leaking from the intake manifold gaskets. This problem...
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What kind of noise does a bad wheel bearing make?

What kind of noise does a bad wheel bearing make? Noise can be misleading: a humming noise while driving can be caused by several different issues, starting with your tires, but it can also be the wheel bearing or CV joint. The classic sounds of a bad wheel bearing are cyclic chirping, squealing and/or growling noise. What's the difference between front and rear differential noise? Only difference between a wheel bearing noise and a rear differential noise would be the fact that the wheel bearing noise will change with wheel speed but usually will not change with load variations (accelerations/decelerations)...
Easy tips

What to do if your Chevy blower motor relay blows out?

What to do if your Chevy blower motor relay blows out? The blower motor relay on your Chevy vehicle is essential for the operation of the blower. If the relay is blown out, you will need to install a new one is soon as you can. Thankfully, it is fairly simple to tell if the relay is malfunctioning and to install a replacement. Why is the blower motor not working on my car? My car has an automatic transmission. Hi There, The resistor is what controls the speed of the blower motor, not the relay. The blower motor relay supplies...
Common questions

What was the problem with the Chevy Camaro engine?

What was the problem with the Chevy Camaro engine? Afterwards, the vehicle stalled and was towed to the contact's home by an independent mechanic. The mechanic diagnosed that the piston head valve spring in the engine had fractured in half. The manufacturer and local dealer (berglund Chevrolet Buick, 1824 williamson rd, roanoke, va) were notified of the failure. The failure mileage was 76,000. Why is the timing cover leaking on my Camaro? When driven, the light comes on in the car staying low oil pressure, turn engine off now. Engine failure. Mechanic stated it is the timing chain. Coolant leaking...