 Best way to put in new gear oil? |
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| JeffBowlsby |
 Aug 3 2019, 07:05 PM
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#1
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914 Wiring Harnesses  Group: Members Posts: 8,510 Joined: 7-January 03 From: San Ramon CA Member No.: 104 Region Association: None 
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Whats the easiest way for a driveway mechanic? Drain it then put it on a rotisserie on its left side to fill? (IMG:style_emoticons/default/w00t.gif)
I have tried the gallon jug with the plastic pumps before. What a mess and time consuming and $%#@&*(. Those plastic pumps are not universal threads so you have to buy a new pump if you use different oil than before and even then, the cheapo pumps only last a time or two before they break. Must be a better way. Other tips, get a second magnetic drain plug and use it in the fill hole, 2x the metal crud collection power. Use antiseize on the fill and drain plugs. |
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| SirAndy |
Aug 3 2019, 07:08 PM
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#2
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Resident German Group: Admin Posts: 41,644 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
Remove the large round plug in the rear trunk floor and let gravity do the work from above.
(IMG:style_emoticons/default/idea.gif) |
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| JeffBowlsby |
Aug 3 2019, 07:09 PM
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#3
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914 Wiring Harnesses Group: Members Posts: 8,510 Joined: 7-January 03 From: San Ramon CA Member No.: 104 Region Association: None
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On a race car maybe...not on my car.
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| worn |
Aug 3 2019, 07:10 PM
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#4
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can't remember Group: Members Posts: 3,156 Joined: 3-June 11 From: Madison, WI Member No.: 13,152 Region Association: Upper MidWest
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I have set up a gear oil bottle like an IV. My son prefers to pump in the oil. Neither method is perfect.
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| bbrock |
Aug 3 2019, 07:24 PM
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#5
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914 Guru Group: Members Posts: 5,269 Joined: 17-February 17 From: Montana Member No.: 20,845 Region Association: Rocky Mountains
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QUOTE(worn @ Aug 3 2019, 07:10 PM)  I have set up a gear oil bottle like an IV. My son prefers to pump in the oil. Neither method is perfect. That's what I used to do when I had a running car. Still hated the job but could get the oil in without too much mess. |
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| jvmarino |
Aug 3 2019, 08:23 PM
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#6
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Member Group: Members Posts: 81 Joined: 22-March 09 From: Baltimore Member No.: 10,188 Region Association: None |
Simplest way I found was get a large syringe (you can buy them cheap on eBay or Amazon), suck up the new gear oil, then slip a rubber hose on the outlet, and plunge the oil into the case. Repeat a few times until overflow begins.
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| ejm |
Aug 3 2019, 08:29 PM
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#7
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I can see the light at the end of the tunnel Group: Members Posts: 2,691 Joined: 3-February 03 From: Massachusetts Member No.: 224 Region Association: None |
Use 4 one quart containers with the tapered spout you cut off. Squirting it in thru the fill plug, holding them above the axle the 3+ quarts takes 5 minutes with no mess....when the box is full top off the fourth container with what's left in the previous three. BTDT dozens of times..
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| JeffBowlsby |
Aug 3 2019, 08:56 PM
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#8
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914 Wiring Harnesses Group: Members Posts: 8,510 Joined: 7-January 03 From: San Ramon CA Member No.: 104 Region Association: None
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Thanks Ed, that's the answer I was looking for. I just did this today and stumbled into these QT jugs at FLAPS. Only needed three... The book says 2.6 qts fills it, and that's what I experienced. I filled the emptys with what was left of my gallon jug for next time.
It was a 5 min job. No mess. No pumps. No gallon jugs. No one give me grief now on my choice of lube...I find it works just as good if not better than the colorful stuff. Attached image(s) 
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| Superhawk996 |
Aug 4 2019, 05:18 AM
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#9
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914 Guru Group: Members Posts: 5,827 Joined: 25-August 18 From: Woods of N. Idaho Member No.: 22,428 Region Association: Galt's Gulch
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Nothing stinks in so many ways, like gear lube!
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| ClayPerrine |
Aug 4 2019, 07:40 AM
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#10
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Life's been good to me so far..... Group: Admin Posts: 15,469 Joined: 11-September 03 From: Hurst, TX. Member No.: 1,143 Region Association: NineFourteenerVille
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I use a hose with a metal tubing hook on the end. The other end goes outside the body by the right rear tire. Plug the tapered nozzle on the gear oil jug into the hose, and squeeze. Or put a funnel in the hose and hang it up higher than the rear trunk lid. Fill the funnel and wait.
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| MartyYeoman |
Aug 4 2019, 10:36 AM
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#11
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Senior Member Group: Members Posts: 1,519 Joined: 19-June 03 From: San Ramon, CA Member No.: 839 Region Association: Northern California
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I use Clay's technique. Tube and funnel out the rear wheel well.
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| Ed_Turbo |
Aug 4 2019, 11:02 AM
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#12
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Member Group: Members Posts: 440 Joined: 5-June 17 From: Hacienda Heights, Ca. Member No.: 21,151 Region Association: Southern California |
Transfer pump from Harbor Freight Jeff. Not a perfect mess free situation but does the trick for a one man job. Coupon + free item....BOOM.
Tube and funnel works ok for a two man job. Got to be careful the tube does not pop out then it can be frustrating and messy. I would get better gear oil than that @JeffBowlsby . -Eddie |
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| cary |
Aug 6 2019, 12:22 AM
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#13
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Advanced Member Group: Members Posts: 3,900 Joined: 26-January 04 From: Sherwood Oregon Member No.: 1,608 Region Association: Pacific Northwest
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| Gatornapper |
Aug 6 2019, 08:51 PM
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#14
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Senior Member Group: Members Posts: 1,215 Joined: 22-September 17 From: Woods west of Richmond, VA Member No.: 21,449 Region Association: South East States
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Doing mine soon, but with Amsoil Synthetic 75w/140 - amazing stuff - does wonders in Harley tranny's, that already shift great.
Can't wait to see what it will do in the 914.....squeezable bag packs too! https://www.amsoil.com/shop/by-product/gear...e-gear-75w-140/ Oh - I'm an Amsoil dealer for full disclosure....... GN |
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| BENBRO02 |
Aug 6 2019, 09:10 PM
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#15
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Member Group: Members Posts: 481 Joined: 6-March 15 From: Nokesville, Virginia Member No.: 18,493 Region Association: MidAtlantic Region
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QUOTE(Gatornapper @ Aug 6 2019, 10:51 PM) Doing mine soon, but with Amsoil Synthetic 75w/140 - amazing stuff - does wonders in Harley tranny's, that already shift great. Can't wait to see what it will do in the 914.....squeezable bag packs too! https://www.amsoil.com/shop/by-product/gear...e-gear-75w-140/ Oh - I'm an Amsoil dealer for full disclosure....... GN I think I've read on 914world.com that synthetic gear oil is not the best choice in a 914. Do some research before you use it. |
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| Gatornapper |
Aug 7 2019, 06:38 AM
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#16
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Senior Member Group: Members Posts: 1,215 Joined: 22-September 17 From: Woods west of Richmond, VA Member No.: 21,449 Region Association: South East States
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QUOTE(BENBRO02 @ Aug 6 2019, 09:10 PM) QUOTE(Gatornapper @ Aug 6 2019, 10:51 PM) Doing mine soon, but with Amsoil Synthetic 75w/140 - amazing stuff - does wonders in Harley tranny's, that already shift great. Can't wait to see what it will do in the 914.....squeezable bag packs too! https://www.amsoil.com/shop/by-product/gear...e-gear-75w-140/ Oh - I'm an Amsoil dealer for full disclosure....... GN I think I've read on 914world.com that synthetic gear oil is not the best choice in a 914. Do some research before you use it. Thanks for the warning.......... There is out there an opinion that synthetic lubricants degrade any bushings that have brass (bronze ones) in them - and they are typically found in gear boxes of the '70's and earlier. There are also many who have de-bunked this and insist that it is not true. I'll check into it further....... GN |
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| Gatornapper |
Aug 7 2019, 06:50 AM
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#17
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Senior Member Group: Members Posts: 1,215 Joined: 22-September 17 From: Woods west of Richmond, VA Member No.: 21,449 Region Association: South East States
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[/quote]
I think I've read on 914world.com that synthetic gear oil is not the best choice in a 914. Do some research before you use it. [/quote] Ok, thank you - not going synthetic - discussion here: http://www.914world.com/bbs2/index.php?sho...l++transmission Issue is not the bronze degradation, but the lower viscosity of synthetics and their not working with Porsche synchronizers. Stick with GL-5 lubes. More info here: https://blueskymotorsports.com/index.php?op...16&Itemid=6 GN |
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| injunmort |
Aug 7 2019, 06:55 AM
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#18
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Senior Member Group: Members Posts: 1,024 Joined: 12-April 10 From: sugarloaf ny Member No.: 11,604 Region Association: North East States |
negative on synthetic gear oil. dino works much better, doesn't leak as much and is quieter. much discussion on this topic on here. not to mention, cheaper. harbor freight transfer pump with barb on end is very effective and not messy aside from overfill, which is part of process.
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| jkb944t |
Aug 7 2019, 10:58 AM
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#19
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Member Group: Members Posts: 464 Joined: 17-January 05 From: Canton, OH Member No.: 3,459 Region Association: None |
QUOTE(ejm @ Aug 3 2019, 10:29 PM) Use 4 one quart containers with the tapered spout you cut off. Squirting it in thru the fill plug, holding them above the axle the 3+ quarts takes 5 minutes with no mess....when the box is full top off the fourth container with what's left in the previous three. BTDT dozens of times.. (IMG:style_emoticons/default/agree.gif) This method works well for me but I add a 4-6 inch long hose to the tapered spout. Jeff B |
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| krazykonrad |
Aug 7 2019, 11:14 AM
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#20
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Senior Member Group: Members Posts: 1,126 Joined: 21-February 06 From: Canton, GA Member No.: 5,610 |
QUOTE(jvmarino @ Aug 3 2019, 06:23 PM) Simplest way I found was get a large syringe (you can buy them cheap on eBay or Amazon), suck up the new gear oil, then slip a rubber hose on the outlet, and plunge the oil into the case. Repeat a few times until overflow begins. |
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