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GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15133
Experience:  GM Grand Master Technician 2007. 14 years experience.
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Have a 98 chevy 1500 pickup. front of engine has a noise.

Customer Question

Have a 98 chevy 1500 pickup. front of engine has a noise. thought that it was the belt, been doing this for 5 years, i only have driven it 8000 miles in that time. upon check in it make the sound with out the belt. suspect the front main bearing. can i replace the bearing with out pulling the engine or go to a heaver oil.
JA: Which belt is acting up? And when was it last changed?
Customer: just replaced it
JA: What is the model/year of your Chevy?
Customer: 1500 pickup 98
JA: What year is your Chevy?
Customer: 1998
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: yes. replacing the belt 3 times in 5 years.
JA: Anything else you think the mechanic should know?
Customer: no
Submitted: 2 months ago.
Category: Chevy
Expert:  Chad Farhat replied 2 months ago.

Hi, I'm Chad ,Welcome To JustAnswer, I'm reviewing your question and I will be be posting a replay ASAP

Expert:  Chad Farhat replied 2 months ago.

you cant change the main bearings with out pulling the engine .

the heavier oil idea will be better and if you noticed noise is less significant after then that confirms it is internal?

any oil usage ? , any smoking from tail pipe ? do you have full power under load ?

Please let me know

Thank You

Chad Farhat

ASE Certified Technician

Expert:  Chad Farhat replied 2 months ago.

1998 Buick Century V6-3100 3.1L VIN M SFI

Save Article

REMOVAL PROCEDURE 1. Remove the left instrument panel sound insulator.

1- check cable under the steering at the gas pedal

2- check the cable routing from it to the throttle body

3- if all that is good , than suspect the throttle body itself

Expert:  Chad Farhat replied 2 months ago.

please disregard the last reply was not meant to you , i apologize for that .


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