Goon Diff Oil

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datzenmike
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Goon Diff Oil

Postby datzenmike » 25 Oct 2011 19:49

It's been brought to my attention that the gear oil for the sedan is GL-5 while the wagon H-190 is GL-4 same as the transmission. Can anyone confirm this from a Nissan FSM or factory statement. Something official and not from a Haynes or Chiltons. Does it say GL-4???
"Nissan 'shit the bed' when they made these, plain and simple." McShagger510 on flattop SUs

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jason
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Re: Goon Diff Oil

Postby jason » 25 Oct 2011 20:16

My 1973 Nissan 1600 manual seems to reference the sedan only, gl4 in the tranny and steering, gl5 in the diff. Perhaps someone else has the wagon one?
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510-Trevor
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Re: Goon Diff Oil

Postby 510-Trevor » 25 Oct 2011 20:18

The 1972 FSM shows GL-5 for both. There is an extra note for the wagon diff carrier to use SAE MP 140 gear oil when temp is over 32 degrees C (90F)
1972 Yellow 4dr - 1972 Red 2dr

datzenmike
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Re: Goon Diff Oil

Postby datzenmike » 26 Oct 2011 06:29

Did all the wagon diff come with the aluminum carrier?

GL-4 is usually used in the transmission and contains less sulphur anti scuff additives to protect the brass synchros. Usually GL-5 is used in the rear ends only and needs these additives. I'll wait and see if anyone else has heard of the GL-4 in the diff.
"Nissan 'shit the bed' when they made these, plain and simple." McShagger510 on flattop SUs

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510-Trevor
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Re: Goon Diff Oil

Postby 510-Trevor » 26 Oct 2011 09:02

On page PD-19 of my 1972 FSM it lists the info I posted above. It also notes the that the carrier is made of a light and strong alloy of aluminum.
In the General Info section on page GI-12 it notes GL-4 for the T/M Gear Oil and GL-5 for the Diff Gear Oil.
1972 Yellow 4dr - 1972 Red 2dr

datzenmike
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Re: Goon Diff Oil

Postby datzenmike » 26 Oct 2011 20:37

OK here's why I ask. GL-4 is recomended for transmissions that have 'yellow metal' of copper/bronze synchros. Perhaps an earlier goon H-190 had brass in it so I checked.

This the the internals from an early 320 H-190
Image

This is the internals from an unknown year 510 goon H-190
Image

Looks like there may be some bronze or copper in it. I believe it's a thrust washer on the pinion gears. I have always recommended GL-5 for Nissan rear ends and this may be wrong. What do you think?
"Nissan 'shit the bed' when they made these, plain and simple." McShagger510 on flattop SUs

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Byron510
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Re: Goon Diff Oil

Postby Byron510 » 26 Oct 2011 20:59

I'm not sure on the oil suggestions, but yes all PL510 H190 wagon diffs had the aluminum carrier 68-72.

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datzenmike
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Re: Goon Diff Oil

Postby datzenmike » 26 Oct 2011 21:31

So did the 520/521 and early 620.

Well I checked some part numbers and the goon thrust washers were used on all H-190 after the 521 and also includes the Roadster. So I don't know. Maybe false info.
"Nissan 'shit the bed' when they made these, plain and simple." McShagger510 on flattop SUs


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