How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask EricFromCT Your Own Question
EricFromCT, ASE Certified Technician
Category: Car
Satisfied Customers: 3861
Experience:  ASE Master certified L1, L2, Diesel Certified 16 years experience
Type Your Car Question Here...
EricFromCT is online now
A new question is answered every 9 seconds

I need to know where, I'm trying to replace my alternator,

This answer was rated:

I need to know where
JA: What is the model/year of your Lexus?
Customer: I'm trying to replace my alternator
JA: Have you done a battery test? Has there been any change in headlight brightness?
Customer: Yes
JA: What year is your Lexus?
Customer: 2000 gs400
JA: Are you fixing your vehicle yourself? What have you tried so far?
Customer: Yes
JA: Anything else you want the mechanic to know before I connect you?
Customer: I'm trying to find the bolt to loosen the belt

Hi. THere is no bolt to loosen the belt. There is an automatic tensioner. It is to the left hand side and up from the crank pulley. You put a wrench on the nut for the pulley and rotate it clockwise.

Customer: replied 10 months ago.
What size nut

I dont recall off hand but I think it is a 17mm

Thanks for using Just Answer and please rate the assistance provided. After rating, the questions stays open for any follow up questions you may have. Thank you.

EricFromCT and 8 other Car Specialists are ready to help you