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Ford: Smoke From Vehicle When Starting

Vehicle: 2005 Ford Taurus SE, 3.0L Complaint: The customer says smoke comes from vehicle when starting. Cause: Confirmed the customer’s complaint and found smoke coming from the vehicle when the engine was started. Inspected the vehicle and found...

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R-1234yf Safety Procedure Checklist

Remember that R-1234yf is only mildly flammable. To become flammable, the mixture of air and refrigerant in a closed area like a vehicle cabin would need to be between 6.5% and 12.3% of the chemical vapor. This mixture must then experience a significant...

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Refrigerant Revolution: What R-1234yf Means for Service, Equipment, Safety

The new R-1234yf refrigerant is more than just a new jumble of numbers and letters on a label. For your shop, R-1234yf means several new procedures, a certification and new equipment in order to properly handle these new systems. Why the difference...

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Weak Air Ride Compressor Diagnostics

Air ride systems always used to have two diagnostic paths: either the vehicle was riding low or the compressor blew a fuse. Today’s modern vehicles have computer-controlled air ride units at all four corners that can pose a unique diagnostic challenge...

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Ford Fusion Alignment Spec (2005-‘13)

Millions of Ford ­Fusions were sold in the U.S. between 2005 and 2013. When it comes to alignments, it is critical to diagnose the customer first, to find out if their Fusion drifts or pulls, and then to check all of the possibilities for the complaint...

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Nissan Titan Brake Job

The Titan is Nissan’s full-size pickup. The Titan has had no major brake problems or recalls, and the brakes are fairly easy to service. Nissan had a few teething problems with brake judder on 2004-‘06 models, but this was corrected with better...

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Engine Coolant Temperature Diagnostics

While old-school cooling system service often ­focused on coolant leaks and overheating engines, let’s begin thinking “new-school” by looking at modern cooling systems through the eyes of the engine coolant temperature (ECT) sensor. Coolant temperature...

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Volkswagen: Parking Indicator Sounds Off with No Obstacle

Customer complains that the parking assistance issues warning sounds for both the front and/or rear of vehicle with no obstacle in range. Water intrusion into sensor holders is causing corroded plug contacts and sensor electrical pins, which results in...

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Volkswagen: Unnecessary Electric Coolant Fan Replacements

Model: 2006 Volkswagen Jetta Sedan Customer concerns of “electric coolant fans continue to run after the ignition is switched off” are resulting in unnecessary coolant fan replacements. It is considered normal operation for the electric coolant...

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Know the Specs for Your Social Media Accounts

By now, we should be well past the things I heard as recently as two years ago: “Social media is just a fad,” “No one will follow a (repair) shop on Facebook” and “I don’t care what you had for dinner, and I’m sure you don’t care where...

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MAHLE Service Solutions' New R1234yf Recovery Machine Named 'Best Use Of Technology' At MACS 2015

The ArcticPRO ACX1280 machine from MAHLE Service Solutions received the “Best Use of Technology” new product award at the 2015 Mobile Air Conditioning Society (MACS) Worldwide Trade Show. The award was selected by an impartial panel of automotive...

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Bartec Updates Tool Software

Bartec USA released its next tool software update for its range of TPMS tools. This latest tool software release integrates TIA’s TPMS Relearn Chart into Bartec’s TMPS software. “The TIA Chart is a must-have for any back shop whether general...

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Applications
Ford: 1990-1994 Tempo, 1990-1997 Escort, Probe, Thunderbird, 1990-1998 Mustang, 1990-1999 Taurus, 1990-2002 Crown Victoria, 1997-1999 Contour, 2001 Taurus, 1990 Bronco II, 1990-1996 Bronco, 1990-1997 Aerostar, F Super Duty, F-250 HD, F-350, 1990-1999 F-250 Ltd, 1990-2002 Econoline, F-150, Ranger 1991-2002 Explorer, 1995-2002 Windstar, 1997-2003 Expedition, 1999-2002 Super Duty F Series, 2000-2002 Excursion, Explorer Sport Trac, Explorer Sport, 2001-2002 Escape.

Lincoln: 1990-1992 Mark VII, 1990-1994 Continental, 1990-2002 Town Car, 1998-2003 Navigator, 2002 Blackwood.

Mercury: 1990-1994 Topaz, 1990-1997 Cougar, 1990-1999 Sable, 1990-2002 Grand Marquis, 1991-1997 Tracer, 1997-1999 Mystique, 2001 Sable, 1993-2002 Villager, 1997-2002 Mountaineer.

Problem
After replacing the alternator, a hum, whine or buzzing noise is heard through the speakers of the vehicle radio or two-way radio when the fuel pump runs.

Cause
The in-tank electric fuel pump may be the cause of the electrical noise. In August of 2002, Ford Motor issued TSB 02-16-4 addressing this issue.

Solution
The following procedure will help determine if the fuel pump is the cause of the radio noise (refer to TSB 02-16-4 for complete details):

1. Turn the ignition key to the "Accessory" position (not Start).

2. Turn on your radio.

3. Now turn the ignition key to the "Run" position (do not start the engine).

4. Let the fuel pump run about one second with the key in the "Run" position (engine off).

5. Listen for noise in the radio. If noise is present while the pump is running and stops when the pump stops, then the fuel pump is generating the noise.

Note: If the radio noise is fairly constant, or varies with the vehicle speed, this fix does not apply.

Notes
TSB 02-16-4: Installation of the electronic noise Radio Frequency Interference (RFI) Filter (F1PZ-18B925-A) on the fuel pump inside the fuel tank requires a bundling strap (95873-S101) and heat-shrink tubing (F5AZ-14A099-AA). This is repair should be done by a service professional.

Warning: If your vehicle has an electronic return-less fuel system, do not install a RFI filter inline on the fuel pump. Only vehicles with mechanical return-less fuel systems (pressure regulator in the tank), or systems with the pressure regulator on the fuel rail should be approved for the RFI filter installation. Some light trucks require one (1) RFI filter for each in-tank electric fuel pump on multi-tank vehicles. This instruction does not include 1999 Taurus or Ranger flexible fuel vehicles.

Note: This bulletin is supplied as technical information only and is not an authorization for repair.

Tech Tip courtesy of CARDONE.

For additional information on products offered by CARDONE, visit www.cardone.com.

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