Tech Tip: Volkswagen Electro-Mechanical Power Steering Warning Light Illuminated
The vehicle owner may be concerned because the battery was disconnected and now the Electro-Mechanical Power Steering Warning light is lit on the dash on a 2009 Volkswagen Eos Komfort 2.0L. This may be caused by an unprogrammed steering angle sensor (G85).
Tech Tip: Subaru’s A/T Temp Light Flashing, But No DTCs Stored, Erratic Shifting Complaint
If you encounter a late-model D4AT-equipped vehicle with an erratic shifting complaint, and possibly a DTC P0712 in memory, there may be a poor connection in the transmission wiring harness. There have been cases of open circuits or high resistance isolated to the white plastic pass-through section of the transmission harness or the harness itself. It’s important to note that the P0712 may not be set when the condition occurs.
Tech Tip: Honda Squeaks Or Rattles In Rear Damper Area
There’s a squeak or rattle coming from the rear of the vehicle when it’s driven. On Japan-built CR-Vs, the rear damper assembly includes a small metal hook and body bracket, which are used only during vehicle assembly at the factory. The hook or the bracket may have been bent and is touching the vehicle body or the damper assembly, causing a squeak or rattle.
Tech Tip: Oil Leak From Front Timing Cover Reported On Some 2005-2006 Toyota 2GR-FE Engines
Customers may complain that some 2005 – 2006 model year Toyota vehicles equipped with the 2GR-FE engine display evidence of a small oil leak located where the Bank 1 cylinder head, engine block and timing cover meet.
Tech Tip: Audi/Volkswagen 1.8L DOHC Gasoline Engine Valve Failure Caution
Market information indicates there are a growing number of valve failures being reported on the Audi/VW 1.8L DOHC 20 Valve gasoline engines after rebuild.
Tech Tip: 4WD Transfer Case Motor Typical Failures And Prevention
This Tech Tip applies to Chevy/GMC, Ford, Mazda and Isuzu 4-wheel-drive vehicles equipped with transfer case motors. Most units fail because of water or mud intrusion. Carefully inspect the motor boot or protective coverings. Be sure the connector seals can keep water and debris out. Check the wiring harness and connector. Replace or repair wiring as necessary. After installation, periodically select 4-wheel-drive mode to ensure operation when needed.
Mercedes-Benz Tech Tip: Insufficient Alternator/Generator Output
On select Mercedes-Benz model vehicles, if you encounter insufficient alternator/generator (G2) output, the voltage regulator, integral to G2 output, may be malfunctioning. The voltage regulator may be replaced as a separate part and the procedure in this Tech Tip should be followed.
Kia Tech Tip: Check Engine Light Is On
The check engine light is on and there is a mass air flow (MAF) sensor range/performance code in the system. The engine will hesitate at times. The P0101 code is more of a rationality check. The MAF sensor signal isn’t rationally making sense comparing to things like throttle position and engine rpm.
Tech Tip: Oil Seepage From Cylinder Head On BMW E36 With M42 Engine
Oil seepage may occur from the left side of the cylinder head at the lower mounting bolt for the intake manifold support bracket due to a casting shrinkage issue.
Volkswagen Tech Tip: Check Engine Light Is On, Trouble Code P2181
Volkswagen owners may complain that the check engine light is on. Potential causes of a trouble code P2181 include the connector, defective coolant temperature sensor (CTS) wiring or defective thermostat.
Tech Tip: Audi 2.8L V6 Rear Crankshaft Seal Leaks After Replacement
Oil may leak from the rear crankshaft seal after seal replacement due to the seal lip rolling while installing the new seal. This condition affects 1996 A4 with 2.8L V6 (Engine Code AFC). When replacing the seal, the new seal is supplied pre-installed in the flange.
Subaru Tech Tip: Leaking Engine Oil Seals
The Mitchell 1 Techline has heard of a very limited number of cases involving engine oil seals leaking after being displaced from their normal positions. As the engine heats and cools, condensation can accumulate in the PCV system, which, in extreme cold, can eventually turn to ice.