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Inside The Bosch Xperience Mobile Technician Training

Robert Bosch LLC has been bringing technician training straight to the shop this year with its Bosch Xperience mobile tour, and when it rolled into The Swedish Solution in Orange Village, Ohio, a team of editors from Babcox Media had to check it out. In...

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Oklahoma Shops Organize To Join Auto Care Association

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Service Adviser Pay Program Tips That Work

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Mercedes-Benz: Installation guidelines for Smart Car front wheel bearing

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Kia: Uncovering Unperformed Maintenance

While some vehicle problems will motivate the customer to make an appointment, an equal amount of Kia repair opportunities will be discovered as the vehicle is being serviced. If you’re not already doing so, always encourage your customers to keep...

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The Evolving Oil Change Market

The only constant in the oil change business is change itself, especially if you’re trying to maintain an inventory of engine oil for all makes and models of vehicles. Since Volkswagen began ­requiring application-specific engine oil in the mid-1990s,...

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Speed Sensor Diagnostics: The 'If’s' of Sensors and Speed Explained

If all of the wheel speed sensors are generating a speed signal, and they all agree, the wheel speed sensor (WSS) is not an issue, but something else might be, possibly an intermittent wiring fault in one of the WSS circuits. If one of the WSS...

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What is Brake Noise? The Basics of Diagnosing NVH

What does your shop do when a brake noise complaint enters the service bays? Does it end up hurting productivity for the rest of the day as a technician randomly applies lubes, pastes and sprays to the brake system hoping that the problem will be...

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How Does a Dual Clutch Transmission Work?

Dual clutch transmissions are like ­having two manual transmissions shifting together while being controlled like an automatic transmission. This is the transmission of the future because it is lighter than an automatic and is just as ­efficient...

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Tell Us Your Top 5 Tools and Win!

Send in your list of your five favorite tools and equipment that help you most in the shop, and you could be chosen to win a $25 gift card for Bass Pro Shops. From scan tools to flashlights, impact wrenches to on-car brake lathes or computer systems...

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Pulling Codes: Good Guys Vs. Bad Guys

The Story of U0100 This article will document Code U0100 — Lost Communication with the ECM/PCM. In the world of automotive module-to-module communication, it can mimic a good guy/bad guy situation — the good guy has made an attempt to communicate...

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Snap-on Franchisee Conference Introduces Latest Tool & Equipment Innovations

The Snap-on Tools Franchisee Conference (SFC), held in Orlando, FL, played host to more than 8,000 registered attendees this past weekend; including principals representing more than 3,000 North American routes as well as their families and guests. The...

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Home Engine Tech Tip: How to Time a Perkins Diesel Engine

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This bulletin from Foley Engines can be used to assist you in timing a Perkins diesel 4.108, 4.236, 4.248 and 6.354 engine. Certain measures need to be taken when removing the fuel injection pump as well installing it.

Removal: First, before removing the injection pump make sure you can still see the scribe mark that Perkins put on the engine block.  This can be found on the engine block just under the injection pump flange.  Having a hard time finding this mark? Locate the other scribe mark on the ear of the injection pump (there are three mounting ears; the mark should be on the one facing away from the engine).  If you do not find this scribe mark on the block than make your own using a knife or other sharp object. The two lines or scribe marks should be in line with each other. This will truly save you a huge headache later on when installing the new or remanufactured injection pump.
 
Next, unbolt the three mounting bolts that hold the pump on to the block. If you’re working with the Perkins 4.108 marine, 6.354.0 or 6.354.4 marine or industrial the pump will slide straight back and the removal will take no time at all. If you are working with a later Perkins 4.108 industrial or a 4.107 or 4.108 Westerbeke marine engine one extra step will be necessary (these engines use a Lucas mechanical pump).  See note below if you have one of the later engines mentioned above.
 
Note: If you’re working with one of the above engines; you must remove the inspection cover located on the face of the timing cover. Inside you will find a three bolt hub that connects the injection pump to the drive gear. You must remove the three bolts before you proceed with the removal. One extra thing: stuff a rag in the cavity between the drive gear and the timing cover. It’s easy to drop one of these bolts into the crankcase.  
 
Installation: Once you have your remanufactured pump from you’re ready to install. Locate the splined input shaft on the replacement pump. This splined shaft will have two splines on it which are either Siamese together or in some case one of the splines will be missing. This makes the pump shaft go into the drive hub (mounted on the injection pump drive gear) one way only.
 
Next, once the pump is in hand tighten the three bolts that mount the pump to the engine. Here comes the most important part. The two scribe marks (one on the pump flange, the other on the block) have to be lined up to look like one line (perfectly inline with each other). This times the engine. Finally, tighten the three bolts to lock the pump in position.
 
If you have one the engines in the note located in the removal section: this is the time to re-install the three bolts in the drive hub (make sure you keep that rag in timing cover!).
 
At this point, the pump is back on, the scribe marks are lined up to time the engine and you are ready to put the fuel lines back on and bleed the system.    
 
For more information on how to bleed the fuel system, check out these other tech bulletins from Foley Engines: Tech Tip #29: Bleeding Lucas, Stanadyne and Diesel Kiki Fuel Systems and also Tech Tip #41: Bleeding Perkins, Deutz and Deere Fuel Systems, Part 2.  

–Courtesy of Foley Engines.

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