Easy tips

How high can you rev an engine?

How high can you rev an engine? How high an engine can rev is one thing, where it makes its power at is an entirely different thing. If you build an engine with top of the line components, (like one of ours), it can safely rev to 8,000 RPM, but it may peak it's power curve at only 6,000 RPM. Why does my RV8 engine stop at 3000 rpm? It hasn't been getting worse over a period of time it just stops at approx 3000 rpm and then you have to change gear and it accelerates fine until it hits...
Common questions

Is the Vortec Max available on the Silverado?

Is the Vortec Max available on the Silverado? The Vortec MAX was a premium package that was available on high-end trims for both the Silverado and Sierra. While all MAX models have the upgraded performance suspension, this suspension upgrade could be ordered standalone without the MAX engine. What's the performance of a 2007 Chevy Silverado? Note: This performance review was created when the 2007 Chevrolet Silverado 1500 was new. Reviewers find the Silverado 1500 to be a rugged performer with sufficient refinement for everyday cruising. What kind of engine does a GM Vortec have? Over the span of the Gen...
Common questions

How many volts are in a battery when a car is running that has a good alternator?

How many volts are in a battery when a car is running that has a good alternator? A good alternator should put out between **13.5-14.5 volts. Stress test the alternator - Place a load on the alternator by turning on the headlights, the radio and the air conditioning. The voltage should remain high with these circuits on. Why does my Camaro say battery saver active? If you are getting a “battery saver active” message, it means that your Camaro's electrical system voltage has dropped to a critical level (less than 11.7 volts). The battery saver increases the driving range of...
Easy tips

What are the symptoms of a broken MAP sensor?

What are the symptoms of a broken MAP sensor? Hesitation or Stalling. When starting from a stop or trying a passing maneuver, stepping on the gas might not give you any joy, especially if the ECM is giving you a lean mixture based on faulty MAP sensor readings. Check Engine Light . When does a broken valve spring cause a misfire? If a camshaft lobe is halfway worn down, it will show up only when the engine is running and under load. Step 19 - In some conditions a broken valve spring can effect different aspects of engine performance for...
Other

What should a 12 volt battery read on a volt meter?

What should a 12 volt battery read on a volt meter? Check the reading. A fully charged battery will typically display a voltmeter reading of about 12.6 to 12.8 volts. If your voltmeter is showing a voltage anywhere between 12.4 and 12.8, that means your battery is in good shape. Any voltage above 12.9 volts is a good indicator that your battery has excessive voltage. What's the voltmeter reading on my car battery? Drove there and back home, voltmeter still reads above 14. So before I take to my dealer to pay for a diagnosis, do the techs on here...
Easy lifehacks

Is the Chevy S-10 crew cab LS 4WD?

Is the Chevy S-10 crew cab LS 4WD? S-10 Crew Cab LS 4WD! Yes, it is great to drive, and own. After a few full size trucks (and very poor mileage), I was looking for a smaller, more practical family vehicle, and still wanted a truck. My wife has a '98 Astro Van with the 4.3 Vortec V-6. The S-10 Crew Cab was one of my first choices. Great power, loaded with every possible option. Are there any problems with a 2002 Chevy S10? The motor and transmission have no problems showing up on service light or have not had...
Common questions

Why is the AC not working on my Chevy Malibu?

Why is the AC not working on my Chevy Malibu? While there are a variety of reasons your Chevrolet Malibu air conditioning won't work, the most common 3 are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. 37%. of the time it's. Why does my air conditioner clutch not engage? In a few cases, the clutch does not engage due to a clogged refrigerant circuit. If you want to diagnose an AC compressor clutch for defects, apply these techniques: Working Method 1. Set all air conditioning controls to the MAX before kicking...
Most popular

How long does it take to adjust a valve on a Chevy 5.7?

How long does it take to adjust a valve on a Chevy 5.7? The adjustment process will take about three hours to complete. Start and run the engine until it reaches operating temperature. Shut the engine off and move quickly to step two. Remove the valve covers from both cylinder heads. What kind of valve does a 5.7 liter engine have? The Chevrolet 5.7-liter (350-cubic-inch) engine employs an overhead valve design that requires occasional maintenance. Adjusting the clearance between the valve stem and rocker arm, a process known as setting valve lash, can be complicated. What's the best way to...
Common questions

What happens when a Chevy Trailblazer loses power?

What happens when a Chevy Trailblazer loses power? The first time I was driving about 20mph- the truck lost power and dropped to almost 5-10 mph. With in seconds..it had kicked back in and it was fine. I have Onstar so I called them and had them do an emergency diagnostic- found nothing wrong. What causes a door lock relay to not work? Power door locks do not function. Power door locks that do not function are another common symptom for a problem with the door lock relay. If the power door lock relay fails, it will cut off power...
Easy tips

What happens when the 5V reference wire is grounded?

What happens when the 5V reference wire is grounded? The 5V reference wire was the first wire in the harness to be grounded. Keep in mind that the ECM/PCM also needs the 5V to operate and it lost power as well. On this vehicle, the starter circuit also shut down. As I stated earlier, the other 5V reference wires will be lower or show 0A. How many connectors does a GM 4.3L PCM have? The 1996-97 PCM (Powertrain Control Module = Fuel Injection Computer) on your 4.3L, 5.0L or 5.7L Engine has a total of 4 connectors. NOTE: For other...