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> Superior tranny oil, Slight tranny sound....how to make go away?
Rand
post Dec 10 2018, 04:19 PM
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There are hundreds of additive products on the shelf at your local FLAPS that will try to convince you that they will fix all sorts of problems.

Truth is, just make sure your tranny oil level is right, maybe even change it (especially if you are not certain that GL5 is in there). Anything beyond that and it needs some maintenance, not a magic BS treatment.
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second wind
post Dec 10 2018, 04:21 PM
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[quote name='914Toy' date='Dec 10 2018, 01:51 PM' post='2672801']
[quote name='second wind' date='Dec 10 2018, 12:54 PM' post='2672780']
Hey all....maybe I am just hyper sensitive but I think I am hearing my transmission while I drive.....maybe just a little too much. Could just be normal. Anyone know of a super quieting tranny oil? I think I am using Stalube 85-90 or something like that. Thank you very much.
gg
[/quote

What type of sound - 1) low frequency growling/grinding or 2) high frequency whining?
[/quote]

You know....that is the tough question to answer...no growling or grinding....kind of an intermittent high frequency whir.....like a mechanical device would sound normally....unless it isn't normal. I might be just hearing the tranny.....it isn't supposed to be absolutely silent, is it? I guess it has been two years since I changed it...maybe 6-7,000 miles.....thanks.
gg
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Rand
post Dec 10 2018, 04:24 PM
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Have you checked the transmission oil level? Let's hope it's something simple.
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jim_hoyland
post Dec 10 2018, 05:26 PM
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Get that VIN ?
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Had the same issue; time force visit to Dr Evil... (IMG:style_emoticons/default/smile.gif)
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Rand
post Dec 10 2018, 05:57 PM
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QUOTE(jim_hoyland @ Dec 10 2018, 03:26 PM) *

Had the same issue; time force visit to Dr Evil... (IMG:style_emoticons/default/smile.gif)

Could be, but I bet he would want some of the so far unanswered questions to be answered too.
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second wind
post Dec 10 2018, 07:11 PM
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OK....trying to quantify the sound.....maybe a whir whir whir whir whir and on a 1 to ten a 1......could be just normal....haven't checked level yet.....thanks you guys...tranny works perfect....a little premature for a rebuild....just asking.....
gg

PS My 914/6 in 1978 had a definite tranny sound and a spot of rust on the rear fender the size of a quarter.....PANIC!!!! sold it for $6,000.....bought for $4,000.....thought I made a killing....
gg
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Rand
post Dec 10 2018, 07:58 PM
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Once again: Have you checked the transmission oil level?
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second wind
post Dec 10 2018, 08:05 PM
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QUOTE(Rand @ Dec 10 2018, 05:58 PM) *

Once again: Have you checked the transmission oil level?


Will do and I hope you are right. No leaks though but I have seen enough to know anything can happen. Thank you.
gg
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Larmo63
post Dec 10 2018, 09:27 PM
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Actually, Rand's suggestion to check your transmission fluid level is a good idea for all of us.

I'm looking at mine soon!

Thanks (IMG:style_emoticons/default/smilie_pokal.gif)
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injunmort
post Dec 11 2018, 09:58 AM
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one issue is stalube is synthetic. these trans don like synthetic. change out to dino 80/90 gear oil. check your level, you will notice a difference.
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second wind
post Dec 11 2018, 12:37 PM
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I thought I used the old dino oil.....hypoid GL ....I forget which number....pretty sure not synthetic......I never buy synthetic for anything....gg
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Rand
post Dec 11 2018, 12:51 PM
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QUOTE(second wind @ Dec 11 2018, 10:37 AM) *

I thought I used the old dino oil.....hypoid GL ....I forget which number.

Use FIVE. If it's in question, I would drain it all and put fresh in. Besides knowing you have good fluid, it would also give you a chance to examine the discarded oil for any particles (hopefully small) that will tell you how the tranny has been wearing.
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DRPHIL914
post Dec 11 2018, 12:53 PM
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does clutch pedal being in or out effect it, parked or running? squeak etc could be throw out bearing, ask me how I know that one......
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porschetub
post Dec 11 2018, 01:06 PM
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rear wheel bearing are ok?
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injunmort
post Dec 11 2018, 01:31 PM
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you said in first post you used stalube 85/90. all the stabalube I see is synthetic. at $82.00 a jug, it is almost certainly synthetic. I just use tractor supplies hypoind gear oil 80/90. cheap and never a problem.
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rjames
post Dec 11 2018, 02:21 PM
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When do you hear the noise? Is it worse at a given speed or in a certain gear? Does it change pitch? If yes, under what circumstances?
When the sound is present, does it go away when depressing the clutch or when putting it in neutral?
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second wind
post Dec 11 2018, 07:19 PM
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I am going to recheck on my next drive....really soon. I appreciate all the help. Front wheel bearings are fresh but I will check.....rears are old but have been fine....I may just be hearing the normal noise of the car functioning....I will really focus and report back....plus check level and switch to dino oil for sure....see what happens....thank you all very much.
gg
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SO.O.C914er
post Dec 11 2018, 07:51 PM
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I’m using valvoline high performance 75 - 90w gear oil. What do the 914 GODS think of this product. 64k on my tranny. Oh no I said tranny (IMG:style_emoticons/default/headbang.gif) (IMG:style_emoticons/default/chair.gif) someones going to jump on that!
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second wind
post Dec 11 2018, 09:46 PM
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I don't get it...please 'splain.....
gg
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second wind
post Dec 12 2018, 12:42 AM
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Hey!! I got it.....politically correct not......well......not everyone loves Porsches.....
gg
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