Home > Maintenance & Mods (L405) > Best alternator brand for L405 2017 3.0 diesel |
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MikeO Member Since: 02 Jan 2018 Location: The Cotswolds Posts: 516 |
Denso is OEM I think and recommended. 2016 Skoda Octavia VRS Estate
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30th May 2024 2:36pm |
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JDGeorgia Member Since: 11 Oct 2023 Location: Atlanta GA Posts: 148 |
If you are getting HDC Faults and the battery is not charging - Please, please, please check your ground/earth straps. The alternator may be fine or a bit stressed because of a bad 'earth'. The Earth points live behind the front wheel arch liners and if you are in a climate that uses salt on the roads... they will get eaten alive. This is my L322 - but a similar issue. I went through 3 starters and 2 alternators in 6 months along with random cascading faults. My Indy said they would not replace a 4th starter under warranty - because my drivetrain was not grounded to the body/battery. I ran a ground lead from an old Jeep project from the lug under the bonnet down to a mounting bolt on the starter. The alternator produces the most current - the starter requires the most. My current battery says production date of 10/18 and same starter/alternator for 6 years. Also got rid of the random cascading faults. These things have a million sensors and they all work off of a 'signal voltage' - if the signal is wrong - faults start cascading...
You can have all the juice in the world, but if the circuit is not complete... it will do no good. Best of luck with it - JDW 2006 L322 HSE LUX 4.4NA Jag V8 Buckingham Blue/Ivory - 'Col Reb' Rolled Yahtzee Aug 2023 222,222Miles 2016 L405 HSE TD6. Santorini Black over Almond. - 'Donna the Diesel' Only L405 IN THE KNOWN UNIVERSE with an L494 Shift Lever Fitted! 97K at purchase Sept of 2023 |
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10th Jun 2024 3:57pm |
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