View Poll Results: has your alternator failed?
yes
46
52.27%
no
42
47.73%
Voters: 88. You may not vote on this poll
How many have had failed alternators?
Pole Position
Joined: Apr 2013
Posts: 389
Likes: 3
From: Il
Pole Position
Joined: Nov 2012
Posts: 278
Likes: 2
From: NY
Mine Just Died 07 136k IS350
Drove her back on highway, car shutoff close to home, everything went black and I was driving at 40 MPH, Steering wheel and brakes where working great and I managed to park safely !
However when stationary you almost lose power-steering without the alternator working. Keep in mind I was driving with lights off when ever possible, and all accessories were off. It was charging when throttle is pressed but not in idle, very weak.
Drove her back on highway, car shutoff close to home, everything went black and I was driving at 40 MPH, Steering wheel and brakes where working great and I managed to park safely !
However when stationary you almost lose power-steering without the alternator working. Keep in mind I was driving with lights off when ever possible, and all accessories were off. It was charging when throttle is pressed but not in idle, very weak.
Instructor
Joined: Dec 2006
Posts: 809
Likes: 26
From: Miami, Florida
2006 IS350 - original owner - 218,500 miles with the ORIGINAL alternator. I also abuse it with a stereo amp for my 12" sub. Watch me screw up my luck by posting this ???
Update 08/27/18 238,000 miles and alternator still going strong!
Update 08/27/18 238,000 miles and alternator still going strong!
Last edited by WhatYaGot; Aug 27, 2018 at 02:09 PM.
Driver School Candidate
Joined: Aug 2015
Posts: 17
Likes: 2
From: Florida
Lead Lap
Joined: Apr 2004
Posts: 560
Likes: 0
From: California
Mine died last week 2007 IS 350, only 36k miles. Had it replaced with a rebuilt one at the shop, and also put in a new battery. Now, the steering wheel feels a little more firm than before. Any idea what the problem might be?
Driver
Joined: Aug 2018
Posts: 78
Likes: 6
From: CO
Bought mine @ 89K imported from owner in Cali. Just hit 150K and alternator seems to be hanging in there. I’ve had to replace my battery 3 times over the past 3 3 years of ownership. (Car died 2 hours after leaving dealership, they replaced for free, then had to get another about 1 year later.) Just replaced battery 3 days ago after a long trip in CO, and everything seems back to normal. Will update if anything happens haha.
CL Community Team
Joined: Apr 2007
Posts: 12,398
Likes: 455
From: GA
IS350 @ 110K, “Battery” Light on the dashboard. Put the tester across the battery while running only measures 11.9V. Should be 13V+ so it charges the battery.
Time for the alternator to be replaced
Time for the alternator to be replaced
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