Changing differential fluid - A step by step "HOW TO"

chris4x4 · 03-16-2009, 09:20 PM

Quote:

Originally Posted by BIGLuke

went to the auto store and the rp was $17 a bottle. I thought that was too much so decided to go wit lucas gear oil. the job its self was realy easy, the only thing that was kinda agravating was putting the oil back in it took forever. now i didn't notice much difference if any but maybe it will take a lil time. thank you all for the help and chris' write-up made it very very easy. thanks again .

Glad to help.

j0sh · 03-17-2009, 05:23 AM

Does the front take the same fluid? And how much?

chris4x4 · 03-17-2009, 06:37 AM

Quote:

Originally Posted by j0sh

Does the front take the same fluid? And how much?

Front should take the sme fluid, but without the LS addative. I think it takes about 2.5 qts. Just fill until it comes out of the fill hole.

sliver · 03-18-2009, 09:50 AM

Okay so I'm trying to make sense of all of this, I have the locker on my 07 TRD Offroad and the dealer wants to charge me $150 to change the fluids. What is ment by "dino" oil? Is RP synthetic and good to use? And because I have the locker do I need to add the LSD additive or is just the gear oil enough?

chris4x4 · 03-18-2009, 10:02 AM

Quote:

Originally Posted by sliver

Okay so I'm trying to make sense of all of this, I have the locker on my 07 TRD Offroad and the dealer wants to charge me $150 to change the fluids. What is ment by "dino" oil? Is RP synthetic and good to use? And because I have the locker do I need to add the LSD additive or is just the gear oil enough?

Welcome to TW!

RP is good to use in your diff. You dont need any addative. Your diff holds 3 quarts of fluid.

SilverSeven · 03-18-2009, 07:52 PM

Quote:

Originally Posted by duckcmdr

Cool that will work. It a pretty easy job. I still need to do my front.

I was wondering if we should do our fronts..

hey have you ever done gears? do you think we could change them?

chris4x4 · 03-18-2009, 07:53 PM

Quote:

Originally Posted by SilverSeven

I was wondering if we should do our fronts..

hey have you ever done gears? do you think we could change them?

If you know how to set them up, I dont see why you couldnt.

sliver · 03-18-2009, 08:01 PM

Are there any other brands that are better than RP? Is RP sythetic? the reason that I asked about the additive is because the dealer told me to use the "Hypoid Gear Oil" and what is ment by "dino oil"?

duckcmdr · 03-19-2009, 09:02 AM

Quote:

Originally Posted by SilverSeven

I was wondering if we should do our fronts..

hey have you ever done gears? do you think we could change them?

yeah i definitely going to do the front probably when i do the plugs. let me know when you get back a we can do both trucks. As for th gears

need to do some research on that.

chris4x4 · 03-19-2009, 10:32 AM

Quote:

Originally Posted by sliver

Are there any other brands that are better than RP? Is RP sythetic? the reason that I asked about the additive is because the dealer told me to use the "Hypoid Gear Oil" and what is ment by "dino oil"?

Dino oil is a reference to your regular non synthetic oils. "Hypoid" oil is an oil formulated to work with Hypoid gears.
Hypoid gears are beveled, so Hypoid oil has addatives to help the sliding of the ring and pinion.

Most modern gear oils are a Hypoid oil, as almost all rear gears are a Hypoid gear. Hypoid gear oil is safe for use in axels, and trannies with straight cut gears.

HerNameIsLucy · 03-19-2009, 03:21 PM

Just for a fun fact..."Dino" is a reference to conventional oils being partly made from dinosaurs.

chris4x4 · 03-19-2009, 04:50 PM

Quote:

Originally Posted by HerNameIsLucy

Just for a fun fact..."Dino" is a reference to conventional oils being partly made from dinosaurs.

Im not so sure I belive they are made from dynos, though. I mean, by now, dont you think we would have used them all up?

HerNameIsLucy · 03-19-2009, 04:54 PM

but it's true:

All oils, with their high carbon and hydrogen content, can be traced back to organic sources. Mineral oils, found in porous rocks underground, are no exception, as they were originally the organic material, such as dead plankton, accumulated on the seafloor in geologically ancient times. Through various geochemical processes this material was converted to mineral oil, or petroleum, and its components

we're burning up plants and dead critters from the dinosaur days!

chris4x4 · 03-19-2009, 04:56 PM

Quote:

Originally Posted by HerNameIsLucy

but it's true:

All oils, with their high carbon and hydrogen content, can be traced back to organic sources. Mineral oils, found in porous rocks underground, are no exception, as they were originally the organic material, such as dead plankton, accumulated on the seafloor in geologically ancient times. Through various geochemical processes this material was converted to mineral oil, or petroleum, and its components

we're burning up plants and dead critters from the dinosaur days!

I wounder how Im gonna do in an engine in the future.........Being as my past was very chemically poluted, I would say I may be classified as a "Semi Synthetic".

HerNameIsLucy · 03-19-2009, 05:10 PM

Quote:

Originally Posted by chris4x4

I wounder how Im gonna do in an engine in the future.........Being as my past was very chemically poluted, I would say I may be classified as a "Semi Synthetic".

LOL high test dude!

chris4x4 · 03-19-2009, 05:11 PM

Quote:

Originally Posted by HerNameIsLucy

LOL high test dude!

Given the amount of alcohol I have consumed, I agree.

Simon's Mom · 03-19-2009, 05:18 PM

Quote:

Originally Posted by chris4x4

Given the amount of alcohol I have consumed, I agree.

Ok even with consumed alcohol, (not me) I have a question.
I saw the 75/90 oil at Wal Mart, I think their brand? for $14 a quart. It said it was a synthetic blend. Truck has no lsd, just a plain jane stock 4x4. We do tow in the wiinter, truck has 29k. Is this brand ok to use or do you go to an auto parts store with a name brand like you guys are saying here, RP or mobil1. I didn't see any other there but the coffee can looked like it came from there

chris4x4 · 03-19-2009, 05:20 PM

Quote:

Originally Posted by xedge

Ok even with consumed alcohol, (not me) I have a question.
I saw the 75/90 oil at Wal Mart, I think their brand? for $14 a quart. It said it was a synthetic blend. Truck has no lsd, just a plain jane stock 4x4. We do tow in the wiinter, truck has 29k. Is this brand ok to use or do you go to an auto parts store with a name brand like you guys are saying here, RP or mobil1. I didn't see any other there but the coffee can looked like it came from there

Good eye! Wife buy my coffee at Wall Mart. Last time I checked, Mobil 1 was about $11.00 a quart. Dont use the Wally World Junk.

Simon's Mom · 03-19-2009, 05:31 PM

Quote:

Originally Posted by chris4x4

Good eye! Wife buy my coffee at Wall Mart. Last time I checked, Mobil 1 was about $11.00 a quart. Dont use the Wally World Junk.

yes I saw the can & I went now where have I seen that before?

oh yeah TW!
Which made me look for the oil since I'm close to 30k. Will go with the Mobil1 then, thanks chris

chris4x4 · 03-19-2009, 05:31 PM

Quote:

Originally Posted by xedge

yes I saw the can & I went now where have I seen that before?

oh yeah TW!
Which made me look for the oil since I'm close to 30k. Will go with the Mobil1 then, thanks chris

Anytime!

03-19-2009, 03:21 PM	#91
HerNameIsLucy mongo like boobies Joined: Jul 2008, #8256 Location: that funny thing hanging off Georgia Age: 50 Gender: Male Posts: 2,767 02 Prerunner V6 SR5 extended cab 2002 Xtra Cab Automatic 3.4 lotsa little stuff	Just for a fun fact..."Dino" is a reference to conventional oils being partly made from dinosaurs. __________________

03-19-2009, 04:54 PM	#93
HerNameIsLucy mongo like boobies Joined: Jul 2008, #8256 Location: that funny thing hanging off Georgia Age: 50 Gender: Male Posts: 2,767 02 Prerunner V6 SR5 extended cab 2002 Xtra Cab Automatic 3.4 lotsa little stuff	but it's true: All oils, with their high carbon and hydrogen content, can be traced back to organic sources. Mineral oils, found in porous rocks underground, are no exception, as they were originally the organic material, such as dead plankton, accumulated on the seafloor in geologically ancient times. Through various geochemical processes this material was converted to mineral oil, or petroleum, and its components we're burning up plants and dead critters from the dinosaur days! __________________

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03-17-2009, 05:23 AM	#82
j0sh Junior Member Joined: Dec 2008, #12036 Location: Oklahoma Gender: Male Posts: 25	Does the front take the same fluid? And how much?

03-18-2009, 09:50 AM	#84
sliver Junior Member Name: Lee Joined: Feb 2009, #14047 Location: Oregon Gender: Male Posts: 5 07 Taco TRD 2007 Access Cab Manual 4.0 V6 RevTec Leveler, K&N Intake	Okay so I'm trying to make sense of all of this, I have the locker on my 07 TRD Offroad and the dealer wants to charge me $150 to change the fluids. What is ment by "dino" oil? Is RP synthetic and good to use? And because I have the locker do I need to add the LSD additive or is just the gear oil enough?

03-18-2009, 08:01 PM	#88
sliver Junior Member Name: Lee Joined: Feb 2009, #14047 Location: Oregon Gender: Male Posts: 5 07 Taco TRD 2007 Access Cab Manual 4.0 V6 RevTec Leveler, K&N Intake	Are there any other brands that are better than RP? Is RP sythetic? the reason that I asked about the additive is because the dealer told me to use the "Hypoid Gear Oil" and what is ment by "dino oil"?