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#4752642 - 05/10/18 07:15 AM ZF8 Fluid
stenerson Offline


Registered: 08/26/09
Posts: 727
Loc: NH
Bust bought a new Ram and was reading up on Fluid types. I assumed they still used ATF4. Just found out this 8 speed used a ZF8 fluid that's crazy expensive. Starting at 27 bucks a quart or so.
The good news is Ram says it's a life-time fluid and I'll never need to change it. (at least not till the warranty is up). LOL
Anyone here done this fluid change yet? No dip stick and a complex process from what I've seen.
_________________________
2018 RAM 1500ST EXPRESS QUAD CAB 4X4 3.6 VVT 270 miles
2004 Dodge Ram 1500 SLT 4x4 5.7 Hemi 263k miles
2005 suburu outback 189k
2007 Hyundai Sonata 166K

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#4752652 - 05/10/18 07:27 AM Re: ZF8 Fluid [Re: stenerson]
Snagglefoot Offline


Registered: 12/31/17
Posts: 1530
Loc: Alberta
Google ZF8 Bob. There have been a few discussions on this. Our search function doesn’t work well.

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#4752677 - 05/10/18 07:55 AM Re: ZF8 Fluid [Re: Snagglefoot]
stenerson Offline


Registered: 08/26/09
Posts: 727
Loc: NH
Originally Posted By: Snagglefoot
Google ZF8 Bob. There have been a few discussions on this. Our search function doesn’t work well.


Thanks, will check it out.
_________________________
2018 RAM 1500ST EXPRESS QUAD CAB 4X4 3.6 VVT 270 miles
2004 Dodge Ram 1500 SLT 4x4 5.7 Hemi 263k miles
2005 suburu outback 189k
2007 Hyundai Sonata 166K

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#4752772 - 05/10/18 09:26 AM Re: ZF8 Fluid [Re: stenerson]
hemitruck Offline


Registered: 03/18/11
Posts: 364
Loc: new jersey
I am hoping there will be more after market fluid available when I change mine.

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#4752775 - 05/10/18 09:28 AM Re: ZF8 Fluid [Re: stenerson]
john_pifer Offline


Registered: 07/08/12
Posts: 1878
Loc: Nashville, TN via Memphis
Lifetime fluid...LOL.

That's what Toyota said about my Tacoma (Aisin-Warner A750) when they came out. Then they revised it to 100K...then 60K.

I hit 200K on my truck a while back and just did my 2nd full fluid exchange myself. Same setup - no dipstick. There will be a procedure you can do on your Ram, most likely. It will probably be similar to my A750 - drain pan, refill, disconnect cooler line, start truck, let the amount you got from the pan pump out, refill pan, repeat until you've run however many quarts through to equal system capacity (for mine it's around 12 quarts). Then you'll need to get the fluid to a certain temp in order to check proper pan level (mine has a check plug - when fluid trickles out, you're at correct level). The dealer will use a scan tool plugged into the OBD receptacle that will tell them fluid temp. Doing it without that, on the Tacoma, requires using a wire to bridge 2 ports in the OBD receptacle. Then you move the shifter from neutral to drive several times, and, when the tranny fluid is in the required temp range, a light on the instrument cluster illuminates.
_________________________
16 WRX - PPPP
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07 Yamaha YZ-250, Klotz, Rotella


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#4752829 - 05/10/18 10:13 AM Re: ZF8 Fluid [Re: john_pifer]
stenerson Offline


Registered: 08/26/09
Posts: 727
Loc: NH
The dude in this video uses MaxLife on this 8speed tranny. The Valvoline site claims it's compatible.

2014 Ram 1500 ZF 8 Speed transmission fluid exchange
_________________________
2018 RAM 1500ST EXPRESS QUAD CAB 4X4 3.6 VVT 270 miles
2004 Dodge Ram 1500 SLT 4x4 5.7 Hemi 263k miles
2005 suburu outback 189k
2007 Hyundai Sonata 166K

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#4752832 - 05/10/18 10:15 AM Re: ZF8 Fluid [Re: stenerson]
MCompact Offline


Registered: 07/21/02
Posts: 4082
Loc: KY
Originally Posted By: stenerson
Just bought a new Ram and was reading up on Fluid types. I assumed they still used ATF4. Just found out this 8 speed used a ZF8 fluid that's crazy expensive. Starting at 27 bucks a quart or so.
The good news is Ram says it's a life-time fluid and I'll never need to change it. (at least not till the warranty is up). LOL
Anyone here done this fluid change yet? No dip stick and a complex process from what I've seen.


I have a ZF 8HP45 in my 2 Series. It sees the road course and drag strip every now and then, so I'm changing it at 60,000 miles.
ZF states:

In case of above-average operating conditions, such as:
- frequent freeway driving in the upper speed range
- offensive, sporty driving style
- frequent trailer operation
it is recommended to refresh (change) the oil of the automatic transmission every 100,000 km or no later than after 8 years.


More information can be found here.
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#4752841 - 05/10/18 10:23 AM Re: ZF8 Fluid [Re: MCompact]
stenerson Offline


Registered: 08/26/09
Posts: 727
Loc: NH
Originally Posted By: MCompact


I have a ZF 8HP45 in my 2 Series. It sees the road course and drag strip every now and then, so I'm changing it at 60,000 miles.
ZF states:

In case of above-average operating conditions, such as:
- frequent freeway driving in the upper speed range
- offensive, sporty driving style
- frequent trailer operation
it is recommended to refresh (change) the oil of the automatic transmission every 100,000 km or no later than after 8 years.


More information can be found here.


I'll probably change the pan (which has builtin filter) and fluid at 50K to get must of the break in sludge removed. Then just drain and fill after that.
_________________________
2018 RAM 1500ST EXPRESS QUAD CAB 4X4 3.6 VVT 270 miles
2004 Dodge Ram 1500 SLT 4x4 5.7 Hemi 263k miles
2005 suburu outback 189k
2007 Hyundai Sonata 166K

Top
#4752852 - 05/10/18 10:30 AM Re: ZF8 Fluid [Re: stenerson]
slacktide_bitog Offline


Registered: 03/20/08
Posts: 5982
Loc: USA
You can use Maxlife with no problems smile

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#4752922 - 05/10/18 11:28 AM Re: ZF8 Fluid [Re: stenerson]
john_pifer Offline


Registered: 07/08/12
Posts: 1878
Loc: Nashville, TN via Memphis
Originally Posted By: stenerson
The dude in this video uses MaxLife on this 8speed tranny. The Valvoline site claims it's compatible.

2014 Ram 1500 ZF 8 Speed transmission fluid exchange


That bottle he uses is a good idea. I've used a cheap Walmart made-in-China pump that makes a huge mess.
_________________________
16 WRX - PPPP
07 Tacoma V6 - M1 EP 5W-30, Fram Ultra, 10K OCIs, 198K
07 Yamaha R1 - Rotella T6 5W-40, Bosch 3300
07 Yamaha YZ-250, Klotz, Rotella


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#4753095 - 05/10/18 02:10 PM Re: ZF8 Fluid [Re: stenerson]
Dave1027 Offline


Registered: 05/02/18
Posts: 20
Loc: California
I always use a cheap walmart garden sprayer for all my ATF changes. Works like a champ. I simply pump it a few pumps and let the air pressure push the fluid into the transmission. No tedious hand pumping.

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#4753373 - 05/10/18 07:34 PM Re: ZF8 Fluid [Re: stenerson]
supton Offline


Registered: 11/09/08
Posts: 11705
Loc: NH
I'll have to remember that, a sprayer. I have one or two changes coming up. I did use a hose and a funnel on the truck, not sure which is easier.
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2011 Toyota Camry, base, 2.5L/6MT, 159k, hers
2010 Toyota Tundra DC, 4.6L/6AT, 142k, ours
1999 Toyota Camry LE, 2.2L/4AT, 179k, his

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#4753412 - 05/10/18 07:59 PM Re: ZF8 Fluid [Re: stenerson]
rooflessVW Online   content


Registered: 12/24/11
Posts: 3819
Loc: North Carolina
Or you can do what I did:

Get a cheap container (I use a 2.5 gallon gas can), thread in a barbed fitting, and use some nylon tubing and a valve.

I set it on the engine and let gravity do the work. Think I spent $15 at Lowe's.
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"Zed's dead baby, Zed's dead."

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#4753543 - 05/10/18 09:40 PM Re: ZF8 Fluid [Re: rooflessVW]
The Critic Offline


Registered: 08/30/04
Posts: 19697
Loc: CA
Originally Posted By: rooflessVW
Or you can do what I did:

Get a cheap container (I use a 2.5 gallon gas can), thread in a barbed fitting, and use some nylon tubing and a valve.

I set it on the engine and let gravity do the work. Think I spent $15 at Lowe's.


https://www.nationaltoolwarehouse.com/8-...ASABEgJH2fD_BwE

IMO these are well worth the investment for anyone, even DIY'ers. I have 3 of them and they are incredibly useful.
_________________________
2011 Toyota Prius - 167k - ServicePro Dexos 0W-20
2007 Honda Accord 2.4 - 126K - Idemitsu 5W-20

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#4753575 - 05/10/18 10:13 PM Re: ZF8 Fluid [Re: Dave1027]
Snagglefoot Offline


Registered: 12/31/17
Posts: 1530
Loc: Alberta
Originally Posted By: Dave1027
I always use a cheap walmart garden sprayer for all my ATF changes. Works like a champ. I simply pump it a few pumps and let the air pressure push the fluid into the transmission. No tedious hand pumping.


Cool idea. cool

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