Skip the auto shop - Our mechanics make house calls

Q: Engine knocks as a result of a valve problem

asked by on

While driving onto the freeway, the valves started knocking severely and very loudly. I regularly change my oil with top quality engine oil. I visited a couple of auto-repair shops and both places stated that the engine needs to be replaced. They both said that the valves are worn out; plus, they heard a sound in the bottom of the engine. This information seems unbelievable to me. Please tell me what to do.

A: Your engine is a 3.5 liter not a 3.2. The d...

Your engine is a 3.5 liter not a 3.2. The dealer may have a limited service campaign for an oil line to the variable valve that can starve the valves for oil and cause a leak. This was a limited dealer campaign and your vehicle may or may not be covered, but a dealer can check to see if your vehicle is covered for the repairs.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Save up to 30%

Get a quote

What others are asking

Q: How do I start the vehicle with the ignition switch?

Using the ignition switch to turn on the vehicle is very easy, and only takes a few steps: Engage the parking brake, if it is not already engaged. Check to make sure that the shift lever is in the...

Q: Gas pedal does not respond very quickly, cruise control acts up too

What you are describing sounds to me like the transmission is not down shifting correctly instead of the engine causing the hesitation. I have found two recalls that may fix your problem. The first calls for the engine/transmission module to...

Q: Burns a quart every 1500 miles

Your engine oil usage is considered normal when you ask a dealer or manufacturer. They will tell you that one quart for every 750 miles is considered okay by their standards. Has your Accord always used this much oil,...

Related articles

P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.