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High Mileage 370z Reliable?

Originally Posted by 370zNRG Does changing to a thicker rear end fluid do anything has anyone tried that? Nope that fluid in the VLSD is just the gear oil. the

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Old 01-25-2023, 08:40 AM   #1 (permalink)
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Does changing to a thicker rear end fluid do anything has anyone tried that?
Nope that fluid in the VLSD is just the gear oil. the VLSD is a sealed unit and you can't access/change the fluid.

If they are well maintained older high mileage Zs are a fine car, as would be any car. Only 2 things to watch out for is if it's a manual has the CSC been replaced with a Zspeed CSC elimination kit and on all models has the steering wheel lock fuse been pulled.
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Old 01-25-2023, 01:05 PM   #2 (permalink)
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Nope that fluid in the VLSD is just the gear oil. the VLSD is a sealed unit and you can't access/change the fluid.

If they are well maintained older high mileage Zs are a fine car, as would be any car. Only 2 things to watch out for is if it's a manual has the CSC been replaced with a Zspeed CSC elimination kit and on all models has the steering wheel lock fuse been pulled.
Ok ya I’ll have to look into the CSC elimination kit not formilar with that. Ya the wheel lock I’ve heard that I owned my last Z for two years never had a issue with the steering wheel locking I wonder if the previous owner removed the fuse never new about the problem till recently.
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Old 02-03-2023, 02:59 PM   #3 (permalink)
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Nope that fluid in the VLSD is just the gear oil. the VLSD is a sealed unit and you can't access/change the fluid.

If they are well maintained older high mileage Zs are a fine car, as would be any car. Only 2 things to watch out for is if it's a manual has the CSC been replaced with a Zspeed CSC elimination kit and on all models has the steering wheel lock fuse been pulled.
Plastic fuel pump hats break, CV axles click, pre 2014 galley gaskets prone to failure, plastic mender in heater core hose breaks, rear end mount fails, ........
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Old 02-06-2023, 05:21 AM   #4 (permalink)
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Plastic fuel pump hats break, CV axles click, pre 2013 galley gaskets prone to failure, plastic mender in heater core hose breaks, rear end mount fails, ........
Those are the most common very rare failures. Most people have not changed any of that stuff and are running fine and will continue on. You can also add the 5th gear syncro is weak but its not common that people are replacing their manual trans out. Most people don't notice their diff mount is leaking till their upgrading it.
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Old 02-17-2023, 08:59 AM   #5 (permalink)
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Those are the most common very rare failures. Most people have not changed any of that stuff and are running fine and will continue on. You can also add the 5th gear syncro is weak but its not common that people are replacing their manual trans out. Most people don't notice their diff mount is leaking till their upgrading it.
I disagree with "very rare" and "most have not changed any of that stuff". If "most people" don't notice their rear diff bushing blown that doesn't mean it's rare. Rather, it's common for people to just drive cars and not give a rats butt about maintenance, inspections, etc.

I'm not saying the Z is junk but it's certainly not without it's faults and any potential buyer who asks deserves to know the questionable areas rather than sugar coating it.
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