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Broken Exhaust Manifold Bolt in Cylinder Head
Machining Rebuilding Repair

Broken Bolt : Stud Removing : Can Be A Frustrating Waste Of Time

06/05/2024
Removing broken bolts and studs is never a fun job, and can take more time than you think. Broken bolt and stud removing, can often be a frustrating time waster, with no quick fix available. […]
Valve Stem Seal Types
Abnormal Exhaust Smoke

Valve Stem Seals: Basic Function, Seal Types, Failure Symptoms

06/04/2024
Valve stem seals, control the lubrication of the valve stem, as it moves up and down in the valve guide. By specific design, all valve stem seals are made to include, a precisely controlled leak. […]
Replacing Car Engine
Machining Rebuilding Repair

Engine Replacement : A Comprehensive Guide, For Every Vehicle

05/29/2024
So, engine replacement is one of the more difficult tasks, a mechanic may ever face. Because, engine replacement, requires different approaches for every year, make and model. Above all, engine replacement, is much more complicated […]
Mechanic Holding Old Car Starter Motor
Electrical System

Diagnosing Starter Problems : Common Issues and Solutions

05/27/2024
Diagnosing starter problems, begins with knowing the basics, of how an engine actually starts. Above all, the engine has to turn over, at the correct speed, before it will start. However, if that does not […]
Timing Belt vs Timing Gear vs Timing Chain
Belts And Hoses

Timing Belts – Chains Or Gears, All Do The Same Thing, Differently

05/22/2024
SO, TIMING BELTS – CHAINS OR GEARS, ALL PERFORM THE SAME FUNCTION. Consequently, their job is to synchronize, the rotation of the crankshaft and camshaft. But, despite having the same job, timing belts – chains […]
Excessive Exhaust Smoke Coming From Car Exhaust
Abnormal Exhaust Smoke

Excessive Exhaust Smoke – A Sign Your Engine Needs Attention

05/20/2024
EXCESSIVE EXHAUST SMOKE, MAY BE THE FIRST SIGN THAT YOUR ENGINE NEEDS ATTENTION. As the engine burns fuel and creates exhaust, lots of different things are happening. So, if your engine is operating in tip-top […]
Worn Out Car Starter Motor
Electrical System

Car Starter Motor – Common Failure Symptoms And Diagnosis Tips

05/15/2024
KNOWING THE SYMPTOMS OF A FAILING CAR STARTER MOTOR, CAN HELP YOU DIAGNOSE MANY PROBLEMS. When diagnosing car starter problems, always start with the car battery. So, for your starter to work properly, your car […]
Cooling Fan Relay in Car Electrical
Cooling Heating

Cooling Fan Relay – What Does It Do – Failure Symptoms – Testing

05/07/2024
THE COOLING FAN RELAY ESSENTIALLY FUNCTIONS AS, THE ON/ OFF SWITCH FOR THE ENGINE’S COOLING FANS. And, is therefore an important electrical component, of the engine’s cooling system. As a result, most cooling fans use […]
Oil Leak In Spark Plug Well of Valve Cover
Leaks

Oil Leak In Spark Plug Well – Know The Signs – What Can Happen

04/30/2024
HAVING A OIL LEAK IN SPARK PLUG WELL, CAN PRODUCE A VARIETY OF PROBLEMS. Oil making its way into the spark plug wells, can drastically affect the engines performance. Consequently, leading to misfires, increased oil […]
Installing Cylinder Sleeve in Engine Block
Engine Bottom End

Cylinder Sleeve – How To Install A Cylinder Sleeve To Save A Block

04/26/2024
LEARNING HOW TO INSTALL A CYLINDER SLEEVE, IS AN EXCELLENT WAY TO SALVAGE, AN OTHERWISE JUNK ENGINE BLOCK. So, there are basically two reasons, for installing a cylinder sleeve in a engine block. For instance, […]
Tightening an Automatic Belt Tensioner
Belts And Hoses

Automatic Belt Tensioner – Function – Failure Symptoms – Testing

04/24/2024
ABOVE ALL, THE AUTOMATIC BELT TENSIONER, PROVIDES THE PROPER TENSION ALL BELTS REQUIRE. Because, the automatic belt tensioner is spring loaded, it will naturally apply the proper amount of tension. Most people already know that […]
Squirting Oil in Engine Cylinder
Engine Testing

Wet Compression Testing Is A Step Up, From A Regular Test

04/21/2024
AFTER YOU HAVE DONE A BASIC COMPRESSION TEST, THE NEXT STEP IS, WET COMPRESSION TESTING. Above all, an engine needs a good seal between the rings, and the cylinder walls. Also, between the valves, and […]
Motorcycle Spring Tune Up Tips - How to stay safe on the road.
Repair Tips

Motorcycle Spring Tune Up Tips – How To Stay Safe On The Road

04/06/2024
In light of the ensuing motorcycle season, I wanted to bring you some motorcycle spring tune up tips. Above all, before you hit the open road. I know it is still early, But, as the […]
GM 6.6L Duramax Diesel Replacing Head Gaskets
Engine Top End

GM 6.6L Duramax Diesel: Choosing The Correct Head Gasket

04/05/2024
So, the GM 6.6L Duramax Diesel, seems to be causing a lot of controversy. Consequently, one big issue is, what is the correct head gasket for this application. As a result, many installers are just […]
Water Pump and Timing Belt Replacement
Belts And Hoses

Water Pump And Timing Belt Replacement – Tips And Instructions

04/04/2024
ON MOST NEWER ENGINES THE WATER PUMP TIMING BELT, IS WHAT ENSURES THE COOLANT, KEEPS MOVING THROUGH YOUR ENGINE. AND, HELPS THE ENGINE MAINTAIN A CONSISTENT, AND OPTIMUM OPERATING TEMPERATURE. But, a water pump or […]
Idle Air Control Valve (IAC) Mounted on Engine
Engine Testing

Idle Air Control Valve (IAC), Function, Failure Symptoms – Testing

03/31/2024
SO, THE IDLE AIR CONTROL VALVE, IS RESPONSIBLE FOR MANAGING THE ENGINES IDLE SPEED. And, that’s what makes the idle air control valve, a major management component of the engine. Because, it decreases or increases […]
(O2) Oxygen Sensor in Exhaust Manifold
Emission Control Systems

(O2) Oxygen Sensors – Function, Failure Symptoms, And Testing

03/22/2024
EVERY VEHICLE BUILT SINCE THE EARLY 1980’s, HAS ONE OR MORE (O2) OXYGEN SENSORS INTEGRATED INTO THE EXHAUST SYSTEM. So, (O2) oxygen sensors, confirm, that the proper air/fuel ratio, is actually reaching the engine. Consequently, […]
Writing Engine Assessment Report
Engine Problems

Common Engine Problems – Noises, Leaks, Overheating, And Fuel

03/17/2024
We all know it’s important to take care of your vehicle’s engine. But, there are some common engine problems, that just get overlooked. So, as a vehicle owner it is important that you’re constantly on […]
Listening for Valve Train Noise Under Hood
Engine Top End

Valve Train Noise – Where Is It Coming From ? – Is It Bad ?

03/09/2024
Valve train noise, is usually due to excessive clearance, between two internal engine parts. Each valve utilizes, a valve spring that returns it to its, original closed position. So, if a valve spring has broken […]
Compression Leak Between Cylinders - No Coolant Or Oil Leaks
Engine Testing

Compression Leak Between Cylinders: Without Any Coolant or Oil Leaks

03/08/2024
So, having a compression leak between cylinders, can allow the compression, to leak from one cylinder to the next. This causes a loss of compression, and sometimes, allows exhaust gasses, back into the intake, depending […]

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Reading A Vacuum Gauge
latest blog post

Engine Vacuum Gauge Test: A Simple Guide

by Danny Bender in Engine Testing

An old-school engine vacuum gauge test is a powerful ally. Because, it provides a direct window into your engine’s soul. This tool is often forgotten in the digital age. Yet, it can diagnose an engine [...]

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  • Engine Vacuum Gauge Test: A Simple Guide
  • Interference vs. Non-Interference Engines: What You Need to Know
  • Spark Plug – How Do I Read, the Condition of My Spark Plugs
  • Fuel Leak – If You Smell Fuel, This Could Be a Sign of a Fuel Leak
  • Engine Misfiring – What Can Cause It – Tracking Down the Problem

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  • Danny’s Engineportal – Helping Solve Engine Problems
    • About Danny’s Engineportal
    • Analyzing Poor Engine Performance – Common Places To Check
      • (EGR) Valve – Allows Exhaust Gas To Re-enter The Intake System
      • (PCV) System: Controls Crankcase Emissions And Much More
      • Automotive Filters: Enable Flow While Removing Impurities
      • Engine Timing: Camshaft And Ignition Timing, Are Totally Different
      • Exhaust Smoke: When Do You See It, And What Color Is It
      • Idle Issues: Engine Won’t Run At, A Steady And Consistent (RPM)
      • Misfires: Usually Happen Because Of Spark, Compression Or Fuel
      • Spark Plugs: Actually Have Quite A Few, Very Important Jobs
      • Turbocharger – Supercharger: Both Squeeze Out More Power
      • Variable Valve Timing VVT: Valve Timing Changes, With (RPM)s
    • Basic Hard Engine Parts: Top, And Bottom End Components
      • Automotive Engine Rebuild: Is It Worth It – Other Possible Options
      • Basic Engine Machining: Let’s Talk About The Common Operations
      • Connecting Rods: The Link Between, The Piston And Crankshaft
      • Crankshafts: Convert Vertical Movement Of Pistons Into A Rotation
      • Cylinder Heads: Control Air Flow In, And Out Of The Cylinders
      • Diesel Engines: Are Sophisticated, And Often Difficult To Diagnose
      • Engine Bearings: Enable Internal Moving Parts, To Spin Freely
      • Engine Blocks: A Metal Structure, That Houses Other Components
      • Engine Damage And Problems: The Most Expensive Repairs
      • Mechanical Problems: Require More Wrenching, And Less Testing
      • Oil Pressure: Is Actually Created By, The Resistance, To Oil Flow
      • Piston Ring: Seals The Combustion Chamber, And Dissipates Heat
    • Belts And Hoses Are Crucial: But, Also Have A Short Life Span
    • Blog
    • Cooling System: Keeping Your Engine at an Efficient Temperature
    • Diagnosing Leaks: Tips for Detecting and Resolving Engine Leaks
      • Coolant Leaks: Signs and Symptoms of Engine Troubles
      • Fuel Leaks: How to Detect, Diagnose, and Repair
      • Head Gasket Leaks: Common Symptoms and Repair Options
      • Manifold Gasket Leaks: Understanding the Causes and Symptoms
      • Oil Leaks: Learn How to Find and Repair Them
      • Vacuum Leaking: Common Causes and Solutions
    • Electrical System: Battery, Charging, Starting, Relays And Circuits
      • Automotive Battery: Powering Your Engine and Stabilizing Voltage
      • Automotive Relays: A Comprehensive Guide
      • Car Alternator: Powering Accessories and Charging Batteries
      • Car Starter Problems: How to Diagnose and Solve Common Issues
    • Emission Control: Understanding Pollution Devices
      • Crankcase Emission Control: Understanding Blow-By Gases
      • Evaporative Emission Control: Understanding the Basics
      • Exhaust Emission Control: Lowering Harmful Emissions
    • Engine Codes: Are The Way, On-Board Diagnostics Talks To You
      • OBD-I: First Generation On-Board Diagnostics Codes
      • OBD-II: Second Generation On-Board Diagnostics Codes
        • P0001 Through P0099: Fuel And Air Metering
        • P0100 Through P0199: Fuel And Air Metering
        • P0200 Through P0299: Fuel And Air Metering (Injector Circuit)
        • P0300 Through P0399: Ignition System Or Engine Misfire
        • P0400 Through P0499: Auxiliary Emissions Controls
        • P0500 Through P0599: Vehicle Speed and Idle Control System
        • P0008 Through U1601: Dodge Cummins
        • P0100 Through P0804: Chevy/Duramax
        • P1111 Through P1783: Power Stroke
    • Engine No Start Conditions: Common Causes and Solutions
      • Engine Turns Over But Will Not Start: What To Check First
      • Engine Will Not Turn Over: What To Check First
    • Engine Sealing: Includes, Oil, Coolant, Vacuum And Combustion
    • Exploring Engine Noises: Understanding the Causes and Solutions
    • Fuel Systems: Understanding How They Store and Deliver Fuel
      • Electric Fuel Pump: How They Work and Common Failures
      • Electronic Fuel Injectors: Atomize The Fuel, Into A Fine Mist
      • Fuel Pressure Regulator: Control, Function, and Troubleshooting
      • Fuel Pump Relays: Supply Higher Power, Used By The Fuel Pump
    • General Car Maintenance: Your Owners Manual, Is Your Bible
    • Ignition Systems: Boosting Voltage for Efficient Combustion
      • Ignition Coils: Take Low Battery Voltage, Then Amplify It
      • Primary Ignition System: Battery, Low Voltage Side Of The Circuit
      • Secondary Ignition System: Spark, High Voltage Side Of The Circuit
    • Links: Your Comprehensive Guide to Tech Resources
      • Abbreviations and Acronyms: Decoding Automotive Terms
      • Fuel Pump Diagnostic Guide: For Electric Fuel Injection
      • PDF Files for Automotive Reference Tools: A Comprehensive Guide
      • Serpentine Belt Routing Guide: Common Belt Routing Diagrams
      • SKF Torque Specifications: Front-Rear-Axle-Nut-Hub-Mount-Lug
      • Torque Specifications: Proper Torque Specifications And Sequence
    • Lubricants And Oils: Essential for Engine Health
      • Engine Oil Additives: Enhancing Performance and Protection
    • Miscellaneous Topics: A Comprehensive Guide
    • Motorcycle ATV Repair: Expert Tips to Keep Your Ride in Shape
    • Overheating Engine: Understanding the Risks and Solutions
      • Car Radiators: Allow The Engine Coolant, To Dissipate Heat
      • Engine Cooling Fans: Move Air Through The Rad, When Needed
      • Rad Caps: Help Regulate Temperature, While Staying Pressurized
      • Thermostats: Maintain Temperature, By Controlling Coolant Flow
      • Water Pump: Keeps Engine Coolant, Moving Through The Engine
    • Privacy Policy – Copyright
    • Repair Tips: Take The Scare, Out Of Basic Engine Repair
    • Reviews: Common Engine Problems, By Make And Model
    • Sensors: Monitor And Control, Various Engine Parameters
      • Crankshaft Camshaft Sensors: Monitor The Crank/Cams Position
      • Engine Coolant Temperature (ECT) Sensor: Monitors Temperature
      • Idle Air Control (IAC) Valve: Manages Your Engine’s Idle Speed
      • Knock Sensors (KS): Are Used To Detect Engine Knock/Detonation
      • Mass Air Flow (MAF) Sensor: Getting The Correct Amount Of Air
      • Oxygen Sensors (O2): Measure The Oxygen Level In Your Exhaust
      • Throttle Position Sensor (TPS): Updates The (ECM) About Air Flow
    • Testing Procedures and Fixes: Keeping Your Vehicle On the Road
      • Cooling Heating System: Also Shares, Many Of The Same Parts
      • Electrical System Testing: Sensors, Relays, Ignition, Starter, Battery
      • Engine Mechanical: Compression, Leak, Power Balance, Vacuum
      • Fuel System Testing: Fuel Pump, Injector, Regulator, Relay, Sensor
      • Head Gasket: Manifold Leaks: Happen, Internally And Externally
popular posts
  • Coolant Mixed With Oil - In The Lubrication System - Cleaning Tips
  • Trying To Start Car Engine
  • Oil Mixed With Coolant - In The Cooling System - Cleaning Tips
  • Noid Light - Tests For An Electrical Signal, At The Fuel Injector
  • Blown Head Gasket - The Symptoms, Can Be Quite Misleading
  • Rear Main Rope Seal - Alternatives For Many Older Engines
  • Checking Engine Bearings
  • Timing Belt On Front Of Engine
  • Checking Timing Belt Tension
  • Installing Cylinder Sleeve in Engine Block
  • Radiator Cap - Basic Function - Common Failure Symptoms
  • Abnormal Exhaust Noise, Common On 02-05 Ford 6.0L Diesels
  • Diesel Engine Issues - The Answers May Be In The Exhaust Smoke
  • Tailpipe Smoke Coming From Back Of Car
  • ATV Tech Tips - If An ATV Repair Seems Overwhelming, Get Help
  • Cylinder Head Resurfacing - Getting The Correct Surface Finish
  • Mechanical Engine Misfires - What Are They - How To Find Them
  • Broken Exhaust Manifold Bolt in Cylinder Head
  • Head Bolts - Never Reuse Torque To Yield (TTY) Head Bolts
  • GM 6.6L Duramax Diesel Replacing Head Gaskets
  • Engine Bearing Clearance - Is Way More Important Than You Think
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