Common questions

What should I do about my Chevy Venture Instrument cluster?

What should I do about my Chevy Venture Instrument cluster? This instrument cluster repair service is for 2001, 2002, 2003, 2004, and 2005 Chevrolet Venture. If your Chevrolet Venture instrument cluster is experiencing gauge issues or backlighting failure, then we can help! We can... This is an instrument cluster repair service for a 2003-2007 Chevrolet Express. Is the Chevy Avalanche instrument cluster no longer working? This is a "ready to ship" completely rebuilt and pre-programmed replacement instrument cluster for your 2003 - 2006 GM, GMC, or Chevrolet Gas and Diesel engines. We currently offer the exchange option for MPH vehicles...
Common questions

How do you match a tap to a thread size?

How do you match a tap to a thread size? To determine the proper drill size for 75% thread on a special pitch tap use the following formula: Drill Size = Major Diameter - (. 975 divided by the number of threads per inch). For example, with a 1/4-32 tap, . How do you know what size tap to use? As a rule of thumb, for Metric threads, the tapping drill can be calculated by subtracting the pitch from the diameter of the thread. eg for an M5x0. 75 thread the tapping drill is 5-0.75mm = 4.25mm. For Imperial (inch)...
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Where is the 1986 logic module located on a Chrysler?

Where is the 1986 logic module located on a Chrysler? A 1986 logic module can be identified by the MAP sensor mounted on the logic module case, unless TSB #18-03-86 has been performed. Then, the MAP sensor is separate.  The 1987 logic modules used MAP sensors mounted in the engine compartment. • Intermittent grounds: Loose or corroded grounds may cause false sensor readings. Where is the voltage regulator in a 1985 Chrysler P body? NOTE: In 1985 and later vehicles, the voltage regulator is controlled by BOTH the Logic and Power modules. In many vehicles, the voltage regulator is in the alternator. • Verify model year of vehicle electronics: Some 1987 P-bodies with turbocharged engines were built with 1986 logic modules. What kind of logic module does a...
Common questions

Does PCV work at idle?

Does PCV work at idle? At idle, manifold vacuum pressure is higher than the PCV valve's spring pressure. A stuck closed PCV valve results in excessive crankcase pressure and oil leaking past oil seals and gaskets. Rough idle or stalling: If the plunger is stuck open, the PCV valve will allow too much air to enter the engine. Why is my IAC engine idling so high? If the IAC motor’s vacuum port is leaking, this can be another cause of high engine idling. The leak could be sourced at the seal, or more often, in one of the attached hoses....
Easy lifehacks

Is there a way to disable the DRLs on a GM Truck?

Is there a way to disable the DRLs on a GM Truck? On some newer GM models it may be possible to press the "Dome Override" button 3 or 4 times within 6 seconds. This will disable the DRLs while the vehicle is running. When it is restarted, the DRL function will reset to "always on." We've heard that this works on full-size and S-series trucks. Where is the DRL switch on a 2005 GM van? 2005 GM full size vans These have turn-signal DRLs that can be turned off at the switch, but you need to do that every...
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Why does my door not close at the top?

Why does my door not close at the top? When a door latch won't catch, it is usually because the door latch doesn't align with the hole in the strike plate. If the latch is too high or too low, try tightening your door's hinges. If your door still won't close after that, remove one of the screws on the jamb side of the hinge and drive in a 3-in. What to do when your side door latch stops working? You will need a bolt,screwdriver or something to pull the latch open when you manually close it (it should spring...
Other

When should I be concerned about TBI?

When should I be concerned about TBI? You should contact your doctor right away if you have the following symptoms after an injury or bump to the head: Worsening headache. Nausea and vomiting. Difficulty moving. What disorders can TBI cause? There is compelling evidence of causation for major depression, bipolar affective disorder, and the anxiety disorders after TBI. The evidence for psychosis and substance abuse suggests that TBI imposes either no increased risk or a very minor increased risk of these disorders. Can TBI symptoms get worse over time? TBI symptoms often develop and get worse over time. Worsening symptoms...
Easy tips

What is starting fluid used for?

What is starting fluid used for? Starting fluid is a volatile, flammable liquid which is used to aid the starting of internal combustion engines, especially during cold weather or in engines that are difficult to start using conventional starting procedures. What should I know before buying starting fluid? Knowing your vehicle and its engine are therefore vital before you purchase a starting fluid. Another consideration is whether the fluid can be used with a flooded engine. If you have already undertaken several attempts to start your vehicle, then you may have already flooded the engine. Where is the starting fluid...
Easy tips

What happens when the camshaft position sensor does not work?

What happens when the camshaft position sensor does not work? 3. Vehicle will not start The camshaft position sensor gathers information about the vehicle’s camshaft speed and sends it to the vehicle’s engine control module (ECM). The ECM uses this data to determine the timing of the ignition, as well as the timing of the fuel injection that the engine requires. Can a faulty camshaft sensor cause a P0300 code? Answer: No, a faulty camshaft sensor can't cause a knocking sound unless it affects ignition timing. Question: Can a faulty camshaft sensor cause a P0300 code? Answer: A number of...
Easy tips

How many bolts are in a 4L80E transmission?

How many bolts are in a 4L80E transmission? Only the TH350 and TH400 share the same number of bolts. So if you count the bolts and get 17 you can be sure that you have identified the 4L80E transmission. The 6L80E, which is the successor to the 4L80E, has 20 bolts. How to identify a GM 4L80E longitudinal transmission? With all GM longitudinal transmissions, it is far and away easiest to identify them by the amount of bolts on the transmission pan. Only the TH350 and TH400 share the same number of bolts. So if you count the bolts and...