What is a VTC actuator on a Honda?
What does the VTC Actuator do and do I need to fix it? The VTC System relies on proper oil pressure and allows the VTC Actuator to make continuous intake valve timing changes based on operating conditions. Intake valve timing is optimized to allow the engine to produce maximum power.
Why does my Honda Accord rattle when I start it up?
The possible cause could be the variable valve timing control (VTC) actuator is defective. Replace the VTC actuator. This procedure does not require the complete removal of the cam chain and associated parts, so repair time is shorter. At cold start-up, the engine rattles loudly for about two seconds.
When does Honda CRV Rattle at Cold Start?
Honda Vehicles Affected by “Engine Rattles at Cold Startup” Problem (Chart above from 2016 TSB #09-010) * Previous TSB listed all 2007-2012 CR-V’s as affected Symptom: At cold start-up, the engine rattles loudly for about 2 seconds. This may be intermittent and occurs when the outside temperature is below 40° F.
Why does my Honda TSB Rattle at cold startup?
To make a bad situation worse, there appears to be a strong correlation between the “Engine Rattles at Cold Startup” and “ Sticking Piston Rings Resulting in Unusually High Engine Oil Consumption ” ( TSB 12-087 and TSB 12-089 ). Note: American Honda has extended the warranty in TSB 12-089 version 9, updated April 2019.
What kind of engine rattles at cold startup?
All 2008-2012 Honda Accords (L4), all 2007-2012 Honda CR-Vs *, some 2013 CRV’s, (check VIN), all 2014 CR-Vs 2WD and 4WD, and 2012-2015 Crosstours, (check VIN), are affected by the “Engine Rattles at Cold Startup” problem. Tap photo to read more about which Crosstours are affected.
The possible cause could be the variable valve timing control (VTC) actuator is defective. Replace the VTC actuator. This procedure does not require the complete removal of the cam chain and associated parts, so repair time is shorter. At cold start-up, the engine rattles loudly for about two seconds.
Honda Vehicles Affected by “Engine Rattles at Cold Startup” Problem (Chart above from 2016 TSB #09-010) * Previous TSB listed all 2007-2012 CR-V’s as affected Symptom: At cold start-up, the engine rattles loudly for about 2 seconds. This may be intermittent and occurs when the outside temperature is below 40° F.
To make a bad situation worse, there appears to be a strong correlation between the “Engine Rattles at Cold Startup” and “ Sticking Piston Rings Resulting in Unusually High Engine Oil Consumption ” ( TSB 12-087 and TSB 12-089 ). Note: American Honda has extended the warranty in TSB 12-089 version 9, updated April 2019.
All 2008-2012 Honda Accords (L4), all 2007-2012 Honda CR-Vs *, some 2013 CRV’s, (check VIN), all 2014 CR-Vs 2WD and 4WD, and 2012-2015 Crosstours, (check VIN), are affected by the “Engine Rattles at Cold Startup” problem. Tap photo to read more about which Crosstours are affected.