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Knocking noise from the passenger side of the engine.. on…

Knocking noise from the...

Knocking noise from the passenger side of the engine.. on cold start..intermittent and goes away in maybe 5 minutes

Mechanic's Assistant: Where exactly do you think the noise is coming from? And how long has this been going on?

2012 acura tl awd.. recently bought car.. noticed it two days ago..110k miles

Mechanic's Assistant: Are you fixing your TL yourself? What have you tried so far?

Will be taking it in for a timing belt replacement.. tensioner..water pump.

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

Noise does come from the timing belt area... but why would go away.

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Answered in 14 minutes by:
1/16/2018
Chad Farhat
Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems
Category: Acura
Satisfied Customers: 5,789
Experience: Owner at Carolina Auto Service & Sales , 20 years Experience in Foreign & Domestic vehicles
Verified

Hi, I'm Chad. Welcome to JustAnswer. I'm reviewing your question and I will be posting your reply ASAP.

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Hey how are you ,I will Try to Help you with This Issue

If no Sound from timing belt ( like tension er ) and it comes from passenger engine ,if from top , Will be like a Weak lifter making tapping noise until oil is flow to it and pumped up ?

has it been really cold where you are ? do you park it outside ? have the oil been changed ?

lets start here and we go from there

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Customer reply replied 7 months ago
cold..park outside.. not sure how long ago oil was changed..it is relatively loud.

ok i got you But does go away after warm up correct ?

any warning light on dash when this happens, ?

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I would Start by changing oil & filter and retest it

these are the oil Specs for your Acura TL 2012

2012 Acura TL AWD

V6-3.7L

Fluid Types and Capacities

  • Engine Oil

Fluid Types and Capacities

Fluid Types

Engine Oil Type

Grade .................... API certified "For Gasoline Engines"

Viscosity .................... 5W-20

Capacities

Engine Oil Capacity

Change*

Including Filter .................... 4.5 qt (4.3L)

Without Filter .................... 4.2 qt (4.0L)

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Customer reply replied 7 months ago
No light and goes away in 3 to 5 mins
Customer reply replied 7 months ago
Ok.. thanks .. will let you know

If the noise coming from timing area , it is a tension er

if noise coming from top eninge will be lifter

change oil soon and then take it in for timing belt kit change

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Chad Farhat
Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems
Category: Acura
Satisfied Customers: 5,789
Experience: Owner at Carolina Auto Service & Sales , 20 years Experience in Foreign & Domestic vehicles
Verified
Chad Farhat and 87 other Acura Specialists are ready to help you
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Customer reply replied 7 months ago
Chad .. Thanks for your help
The sound was coming from the timing belt, serpentine area. I took to the car to a Honda dealer and did a oil change and timing belt kit (tensioner included). It was due for a timing belt anyway due to the miles and it was too cold to do the oil change myself. When I checked my paperwork I noticed they also replaced the serpentine belt.
I received the car earlier today and so far no noise. It's slightly warmer today... but I think the problem was resolved.
Thanks

Awesome news man , i m glad ,no you good for 100k on new belt

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