Common questions

Why does my blower make a screeching noise?

Why does my blower make a screeching noise? If the screeching noise is still happening from your blower motor, either the noise is coming from a different part of the motor, in which case I'm little help, or you just haven't gotten the bearing loosened from the motor shaft. If the later is the case, read on. If not, you may want to get yourself a new blower motor. Why does my GM blower make a squeaking sound? The sounds happen in cold or humid weather, and especially when hitting bumps in the road or slamming on the brakes. The...
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What is the difference between the two types of smog?

What is the difference between the two types of smog? Smog, community-wide polluted air. At least two distinct types of smog are recognized: sulfurous smog and photochemical smog. Sulfurous smog, which is also called “London smog,” results from a high concentration of sulfur oxides in the air and is caused by the use of sulfur-bearing fossil fuels, particularly coal. How do you identify smog? Generally speaking, you will know smog when you see it. Smog is a visible form of air pollution that often appears as a thick haze. Look toward the horizon during daylight hours, and you can see...
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Why does my Silverado truck have water leak?

Why does my Silverado truck have water leak? Almost immediately had issues with water leaking. Took the truck back to the dealer and they said it had a bad windshield seal, so they "resealed" it. A week later, same problem. When does water leak from drivers side dash? Water leaking behind the drivers side dash during rain. It seems to happen when my truck is in a level surface or when the nose is lower. I sprayed the truck w a hose for 2 hrs this weekend and found nothing. Where is the water coming from in my GM Truck?...
Easy lifehacks

Where is the PCV valve on 2005 Chevy Silverado?

Where is the PCV valve on 2005 Chevy Silverado? The PCV valve is located at the rear of the engine on the side nearest to the brake fluid reservoir. The PCV hose is the widest of the three hoses in this location (the two thinner hoses are connected to the firewall). Follow this hose to the valve cover and pull out the hose with attached PCV valve. Where can I find a 5.3L PCV valve? Do a search under the 5.3L engine section on this forum and see what comes up. Re: PCV valve? Is there a PCV valve on...
Most popular

How does cruise control work on a GMC Sierra 1500?

How does cruise control work on a GMC Sierra 1500? Intermittently, when applying the brakes to stop for a red light, the engine wants to keep the vehicle going at the same speed and fights the brake so the vehicle cannot stop. Shifting the gear shift into neutral allows the brakes to work but the engine rpm revs up to 2500 rpm for about 15 seconds before dropping to idle. Why does my cruise control not work when I press the button? If you notice that your cruise control does not engage when you press the button, contact a mechanic...
Common questions

Do you need to replace the compressor on a R12?

Do you need to replace the compressor on a R12? You should replace the compressor of your old vehicle with a new and powerful compressor as R134a uses high pressure due to its larger sized molecules as compared to the R12. So simply filling the old compressor with the new refrigerant will not make things work out as they should, and you will face performance issues. How to convert your car's a / C system from R12 to R134a? The A/C system in many older vehicles needs to be converted from R12 refrigerant to R134a refrigerant. This video shows you...
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How does the PCM switch the ignition coil?

How does the PCM switch the ignition coil? At the same time the PCM activates the ASD relay, it starts to switch the ignition coil ON and OFF by interrupting the ignition coil's primary voltage. Once the ignition coil gets this switching signal, it starts to spark away and as you're already aware, this spark gets delivered to the center of the distributor cap by a high tension wire. How to test the ignition coil packs ( GM 3.1L )? If your vehicle does not start and you need to test the ignition control module (ICM) or the Crankshaft Position...
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What kind of transmission is a 4L60E?

What kind of transmission is a 4L60E? General Motors' 4L60e transmission has been used in cars and trucks since 1993. This transmission is known for being put in performance vehicles such as the Chevrolet Corvettes and Pontiac Trans Ams. Deep pans for these transmissions allow more fluid to be stored and circulated in order... What kind of transmission does a Chevy truck have? THM700-R4 - 4 Speed transmission used in GM cars and light trucks with the 2.8, 3.1, 4.3, V6, Chevrolet built 305, 350 and 454 engines from 1982 to 1992. What does tcmb stand for on a 4L60E?...
Common questions

What kind of air intake does a Chevy Cobalt use?

What kind of air intake does a Chevy Cobalt use? We bring you Chevy Cobalt air intakes from the top names in the industry such as Injen, AEM, Takeda, Weapon-R and K&N. Installing a cold air intake will improve throttle response, fuel economy, and improve horsepower and torque. It takes just minutes to install an air intake system and the result will always leave you smiling. How much horsepower does a Cobalt SS have? Take your Chevrolet Cobalt SS or Saturn ION Red Line to the next level with these supercharger upgrade kits. Three stages of upgrades are available to...
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How to use masterpro ignition 34 multi function switch?

How to use masterpro ignition 34 multi function switch? Read reviews for MasterPro Ignition 34 Terminal Multi-Function Switch When autocomplete results are available use up and down arrows to review and enter to select. Touch device users, explore by touch or with swipe gestures. When autocomplete results are available use up and down arrows to review and enter to select. Where is the brake light switch on a 1998 Silverado? The brake light switch is on the arm from the brake pedal to the brake booster (under the hood). It is held in place by a snap clip that is...