Bellingham Auto Repair

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Service Your Cars Cooling System

Service Your Cars Cooling System

Your Cars Cooling System Your Cars Cooling System Your Cars Cooling system removes heat from the hot engine and allows it to dissipate in the air passing through and over the radiator. When the engine reaches the proper operating temperature, generally around 82 degrees Celsius the thermostat opens allowing the hot coolant into the top of the radiator. The coolant flows down channels in the radiator core where with the help of the fins in the radiator is allowed to cool. The thermostat in the engine does exactly what the thermostat in your house does. It keeps the engine at the correct temperature. When the engine gets hot the thermostat opens and allows the coolant to flow to the radiator. When it gets too cool the thermostat closes to help maintain the engines proper operating temperature. Heat is the means of generating power so while too much heat will cause engine damage to little heat will cause your engine to be inefficient resulting in poor gas mileag ... read more

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Smart Car

Solution to Mercedes Benz ML water leak

Solution to Mercedes Benz ML water leak

Does water leak into the floor of your Mercedes Benz ML (163) chassis? Master Auto Tech may have the solution to your problem Fixing the Mercedes ML water leak

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Tech Tips

Mercedes Benz C63

Mercedes Benz C63

Mercedes BenzC63 Does Mercedes Benz really need all the drama to make the new C63 exciting? I think not. Click the link for a dramatic video of a cool car

Nissan GT-R Service

Nissan GT-R Service

A Nissan GT-R service is a very special event at Master Auto Tech. We get to take care of some very special cars here at Master Auto Tech. This 2010 Nissan GT-R is one of them. Sporting a twin turbo V-6 with 485 HP, this sports car claims a 0 to 60 MPH in 3.2 seconds. We obviously did not test that claim. We were however happy to service this super car though no repairs were needed. Mobil 1 0W40 with the factory oil filter is just part of the service for this very special car at Master Auto Tech. Notice the clean efficient lay out of this engine compartment. Nissan does an extra special job with the engineering in this car. The customer shared with me that when you buy a GT-R you sign a waiver saying you won’t bug them about squeaks and rattles. This is, after all, race car for the street. If you drive one I guess you can just our your foot in the throttle and forget about little things like squeak ... read more

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Auto service

Up Date on the @.3-16 project car

Off With It’s Head

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Tech Tips

Mercedes Daily Driver

This Mercedes daily driver has set on the back lot behind my shop for the better part of a year. I’m just now to the place where I’m enjoying with some anticipation the notion of digging into this instructional project. The very first lesson from this mercedes daily driver: never spend more on an Internet purchase than you are willing to lose in Vegas. The previous owner of this car bought this 1987 Mercedes Benz 190E 2.3-16 online and quickly found that a pre-purchase inspection kinda loses its value after the vehicle has been paid for. After an hour in my stall I informed the customer about how much it would cost again to make this Mercedes a daily driver. The actual cost was about twice what I quoted. The long and short of it was that he decided to bail on the daily driver dream, and he asked what it would be worth parting out on the Internet. I offered him a few hundred and he left me with the car and a strange sinking feeling. At cost, I shouldn’t get hurt too badl ... read more

Pulling the Tooth

Be sure to check out the second installment in our “Project 16 valve 190E. In this segment I remove the engine from the car and begin dis-assembly. https://youtube.com/watch?v=A6-SQ6Ye08o

Mercedes Benz 16 valve winter project

Well, my 16 valve has been sitting out on the back lot all summer and I’ve finally received enough inspiration to start the epic repair procedure in order to make it into a “Daily Driver.” Follow my video blog at the following and subsequent links: Mercedes Benz 190E 2.3-16 Project “Pulling the Tooth” https://youtube.com/watch?v=A6-SQ6Ye08o

One of them there tools that fixes Check Engine Lights

So we’ve decided to take the bitter pill. We havWe’re mostly familiar with the catalytic converter that has necessitated the use of unleaded gas since around 1975. 3-way catalytic converters break down hazardous carbon monoxide to harmless carbon dioxide. They also break down toxic hydrocarbons into carbon dioxide and water while reducing nitrogen oxides to regular nitrogen and oxygen. For the Cat to do it’s job it has to be hot which can take a while. In order to meet strict emissions standards an air pump has been added to heat the Cat up sooner and reduce harmful emissions quicker. Pump air into the exhaust and it gets hot more quickly. When the Cat reaches 400 to 600 degrees Fahrenheit it begins to clean up the exhaust. To let you know if the emissions system is working properly a number of self diagnostic regimens have been programmed into the engine management systems. One is a self test of the air injection or secondary air pump. If that self test fails your check en ... read more

How does the Engine management know?

So the air pump is not accomplishing it’s task of heating up the three way catalyst. How does DME (Digital Motor Electronics) know any way? Programmed into the computer is a self test of the air pump. Each time the car is started DME at some point in the drive cycle will turn the air pump on to see if it’s working. How it sees is interesting. Part of the fuel management system are oxygen sensors or on newer cars AF (air/fuel) sensors or broad band oxygen sensors report back to DME. By sensing the amount of oxygen in the exhaust gases these sensors allow DME to make adjustments to the air fuel mixture going into the engine for the most efficient performance under all conditions. The O2 sensors also tell DME if the air from the air pump is reaching the catalyst. If the secondary air injection system is working properly DME should see a drop in voltage in a conventional O2 sensor. On the newer A/F sensors the technician will need to access fuel trim data to see if the ... read more

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Tech Tips
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