Tech Tip: Mazda Rattle Noise From Engine Due To Stretched Timing Chain
With the engine warmed up, some vehicles may exhibit a knocking/rattle type noise from the front timing cover and/or valve (cylinder head) cover below 2,000 rpm
Tech Tip: Correct Pulley for 1983-’87 Mazda 626 or 1986 B2000 Water Pump
There was a mid-year change by the original manufacturer to a different style pulley. CARDONE is now supplying two pumps, one with square pulley teeth and one with round teeth.
Tech Tip: Cam and Crank Sensor Diagnosis
Today’s cars have several different methods of producing spark and setting fuel injector pulses. All of the sensors create a nominal voltage by way of what is referred to as a “Hall effect,” either from an external magnet mounted on the cam gear or body of the distributor housing, or it has its own small magnet inside itself and the Hall effect is created by passing the sensor over or near a piece of slotted metal.
Tech Tip: Mazda Information Display Freezes in the Cold
Certain Mazda owners may complain of a problem with their vehicle’s information display during sub-zero temperatures. Some vehicles may experience no illumination from the information display when the ignition is turned on. Also, the clock runs too fast and may gain more than 20 minutes per week. To correct this condition, follow the Repair Procedure in this Tech Tip.
Tech Tip: Mazda6 and Mazda SPEED6 Information System Freezes in the Cold
Certain Mazda owners may complain of a problem with their vehicle’s information display during sub-zero temperatures. Some vehicles may experience no illumination from the information display when the ignition is turned on. Also, the clock runs too fast and may gain more than 20 minutes per week. To correct this condition, follow the Repair Procedure in this Tech Tip.
Tech Tip: Mazda MPV Temperature Difference Between Dash Vents
On some vehicles, the output air temperature may differ between the two center dash air vents (vents on either side of audio system). This condition usually occurs when the HVAC settings are in the following positions: A/C switch ON, in BI-LEVEL or VENT mode, Temperature Control Dial in 1 o’clock to 3 o’clock position (set for warm air).
Tech Tip: Mazda Front Brake Clunking Noise
Applicable Model(s)/VINs: 2000-’06 Mazda MPV vehicles with VINs lower than JM3LW28**6*566231 (produced before Dec. 15, 2005)
Tech Tip: Fix for a Creaky Cadillac CTS Suspension
Some Cadillac 2003-2006 CTS owners may comment on a squeak or creak-type noise coming from the front of the vehicle. This noise typically occurs while braking or during slow turns, such as parking lot maneuvers. The cause of this noise may be due to a worn rear bushing on the front lower control arm rubbing against its outer rate washer. Installing a front lower control arm rear bushing spacer, as described in this Tech Tip, may correct the situation.
Tech Tip: Installing Timing Belt Covers with Guides for 2001 Hyundai Sonata, Santa Fe
Some 2001 Hyundai Sonata and Santa Fe vehicles may experience rough running, rough idle, lack of power at low rpm, or
the check engine light on. This may be caused by the exhaust camshaft coming out of time, which can be fixed by installing a new timing belt cover.
Tech Tip: Mazda ABS Warning Light On and Grinding Noise from Front Wheels
If a customer brings in a Mazda with an ABS warning light and a grinding noise from the front wheels, it could be due to problems with the sensor rotor or with the front brake disc, depending on the model.
Tech Tip: Easy Fix for Mazda TPS Connection
Some Mazda B-2500 drivers may complain of a high idle in vehicles with a manual transmission. This may be caused by a poor electrical connection at the wire harness to the Throttle Position Sensor (TPS). A service kit (P/N 1F00-18-145) is available to resolve this concern. Correct the condition by following the steps in this Tech Tip.
Tech Tip: New Aftermarket Automotive Belts and Hoses Last Longer
pylene diene monomer), a synthetic rubber that is far more durable, heat-resistant and wear-resistant than Neoprene. This means serpentine belts and hoses made of EPDM may last up to 100,000 miles or more before they have to be replaced. But that doesn’t mean they will last forever.