1977 280z - 4 Spd Manual Transmission Whining in 3rd Gear - Nissan : Datsun ZCar forum :Nissan Z Forum: 240Z to 370Z
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post #1 of 9 (permalink) Old 09-27-2010, 03:08 PM Thread Starter
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1977 280z - 4 Spd Manual Transmission Whining in 3rd Gear

Hi all,

I have a transmission question. My 1977 280z 4 spd. manual transmission has just started making a whining noise when I'm in 3rd gear. I've been driving it all summer with no problems and I've never heard this noise before. There are no clunking/grinding noises but just a medium to high pitched whining noise.

It's probably been 6 years since I've changed the transmission/differential fluids.

Is this an expensive fix or something easy like changing the tranny fluid?

Thanks!

Dan
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post #2 of 9 (permalink) Old 09-27-2010, 04:09 PM
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Re: 1977 280z - 4 Spd Manual Transmission Whining in 3rd Gear


If the transmission makes noise when it has the correct fluid, the bearings are faulty and the transmission requires a complete rebuild. It would very likely be more cost effective to buy a used transmission.


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post #3 of 9 (permalink) Old 09-27-2010, 04:55 PM
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Re: 1977 280z - 4 Spd Manual Transmission Whining in 3rd Gear

6 YEARS!!!!!

Oh gosh......well I would try a change now as a last ditch effort!

Mike

91 2+2 5 spd TT conversion.... boost controller.. so far.
90 2+2 Auto N/A ( the car the kid stole! ) SOLD
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post #4 of 9 (permalink) Old 09-27-2010, 06:15 PM
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Re: 1977 280z - 4 Spd Manual Transmission Whining in 3rd Gear

While you are at it change the rear diff oil as well. I used amisol in my 5speed, now I use dextron ATF full synthetic (BW WC T5)

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post #5 of 9 (permalink) Old 09-27-2010, 10:36 PM
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Re: 1977 280z - 4 Spd Manual Transmission Whining in 3rd Gear

Try draining your transmission fluid and re-filling with Red Line MTL. See if that doesnt quiet things down a bit. Hopefully it will...

------------------------------------------------------------ 1978 280Z - I wish I had this much money in my 401K.
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post #6 of 9 (permalink) Old 09-28-2010, 04:10 PM
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Cheapest "Fix"



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post #7 of 9 (permalink) Old 09-28-2010, 04:56 PM
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Re: 1977 280z - 4 Spd Manual Transmission Whining in 3rd Gear

No Comrade..... turning up the radio would be cheapest fix... DA?

Mike

91 2+2 5 spd TT conversion.... boost controller.. so far.
90 2+2 Auto N/A ( the car the kid stole! ) SOLD
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post #8 of 9 (permalink) Old 09-28-2010, 05:20 PM
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Re: 1977 280z - 4 Spd Manual Transmission Whining in 3rd Gear

Yup...that drown 'em out.


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post #9 of 9 (permalink) Old 09-28-2010, 06:02 PM
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Re: 1977 280z - 4 Spd Manual Transmission Whining in 3rd Gear

BOOM-DA-BOOMBOOM-DA?

Mike

91 2+2 5 spd TT conversion.... boost controller.. so far.
90 2+2 Auto N/A ( the car the kid stole! ) SOLD
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