Tell me this isn't what i think it is.
12-09-12, 04:59 AM
#1
Tell me this isn't what i think it is.
So today I changed out my fuel filter, and when I was down under I noticed this
Both sides, this red fluid on the rotor dust cover. Same color as the redline diff oil I put in... Wth is goin on here?
Both sides, this red fluid on the rotor dust cover. Same color as the redline diff oil I put in... Wth is goin on here?
12-09-12, 08:36 AM
#3
My first thought would also be axle seal leak, but that is some nasty diff oil if that is what it is.....
Also, does or has the car been sitting a lot? Usually axle seal leaks result in a nice coating of diff fluid/oil on the entire inside of the wheel, covering brake components as well....Since it is just (apparently) trickling down the back side of the backing plate it seems a bit strange....
Also, does or has the car been sitting a lot? Usually axle seal leaks result in a nice coating of diff fluid/oil on the entire inside of the wheel, covering brake components as well....Since it is just (apparently) trickling down the back side of the backing plate it seems a bit strange....
12-09-12, 08:41 AM
#4
Dragons' Breath
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By the looks of things it has been leaking for a while . Like rwatson 5651 said it might be overfull . check fluid on level ground .. Do you happen to be parking on a good side slope ? that could cause the diff oil to run down the axle tubes and cause problems at the seals .. Brakes are probably getting wet with oil also . Gerald m.
12-09-12, 09:32 AM
#7
Don't Cross The Streams..
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your car is leaking slime call the ghostbusters. that **** looks nasty 
. that stopped being diff fluid a long time ago. most of them leak so slow you wont barley notice mine does and i filled it 2 years ago and it still is fine
. i would be more concerned if that was brake fluid though. my leaky calipers used to look just like that. without ht slime of course.
. that stopped being diff fluid a long time ago. most of them leak so slow you wont barley notice mine does and i filled it 2 years ago and it still is fine. i would be more concerned if that was brake fluid though. my leaky calipers used to look just like that. without ht slime of course.
Last edited by Rotor_Venom08; 12-09-12 at 09:35 AM.
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12-09-12, 12:38 PM
#9
Old [Sch|F]ool
Looks like you use Heavy Shockproof.
And your axle seals leak.
They're not bad to change, although you can limp it along by pulling the axles out and siliconing the bearings to the housing.
BTW - Shockproof only has its special properties for 5,000mi or so, after that it is just regular gear oil. When it changes color from red to purple is a good idea to change it.
Also BTW - I overfill my diffs all the time, putting two full quarts into the rear. The last half-quart has to go in (slowly) through the vent hole. The seals don't leak.
And your axle seals leak.
They're not bad to change, although you can limp it along by pulling the axles out and siliconing the bearings to the housing.
BTW - Shockproof only has its special properties for 5,000mi or so, after that it is just regular gear oil. When it changes color from red to purple is a good idea to change it.
Also BTW - I overfill my diffs all the time, putting two full quarts into the rear. The last half-quart has to go in (slowly) through the vent hole. The seals don't leak.
12-09-12, 04:21 PM
#10
How hard is it to change axle seals? The fluid has only been in the diff for two months or so and yeah it is the shockproof. It looks nasty because the dust shield is covered in grime. Pros of nw living, your undercarriage will never look clean. Not even during the summer lol. I probably did overfill it though I put in around 2 quarts. What vent are you guys talking about? I didn't see one when I was down there.. then again I wasn't looking for one either. It's a gs with gsl rear.
12-09-12, 04:27 PM
#13
By the looks of things it has been leaking for a while . Like rwatson 5651 said it might be overfull . check fluid on level ground .. Do you happen to be parking on a good side slope ? that could cause the diff oil to run down the axle tubes and cause problems at the seals .. Brakes are probably getting wet with oil also . Gerald m.
12-09-12, 06:24 PM
#14
Old [Sch|F]ool
You need to pull the axle then pop the seal out and pop in the new one. A proper seal installing mandrel helps greatly, or you can use a large socket on an extension, as long as it's as large as the seal. You don't want to get it in crooked or distort it.
I've never replaced one, I just silicone the bearing. Usually it leaks for me because the housing is so distorted that a new one won't seal either, that or the axle bearing is toast. I have six GSL-SE axles and only one of them has a good bearing
I've never replaced one, I just silicone the bearing. Usually it leaks for me because the housing is so distorted that a new one won't seal either, that or the axle bearing is toast. I have six GSL-SE axles and only one of them has a good bearing
12-09-12, 06:58 PM
#15
Axle seals are relatively easy to replace and fairly cheap. I've replaced them on my FB rear axle, as well as my Toyota 8" rear axle -- same process, different size. It's been a while since I did it on the FB, but you can usually use a large screwdriver to pry the old seal out, then as peejay says, use a large socket to install the new one.
Before you start buying parts, however, check your bearings. If they're too far gone, they will allow enough axle movement that you may be leaking axle oil due to that.
Before you start buying parts, however, check your bearings. If they're too far gone, they will allow enough axle movement that you may be leaking axle oil due to that.
12-09-12, 09:59 PM
#17
You need to pull the axle then pop the seal out and pop in the new one. A proper seal installing mandrel helps greatly, or you can use a large socket on an extension, as long as it's as large as the seal. You don't want to get it in crooked or distort it.
I've never replaced one, I just silicone the bearing. Usually it leaks for me because the housing is so distorted that a new one won't seal either, that or the axle bearing is toast. I have six GSL-SE axles and only one of them has a good bearing
I've never replaced one, I just silicone the bearing. Usually it leaks for me because the housing is so distorted that a new one won't seal either, that or the axle bearing is toast. I have six GSL-SE axles and only one of them has a good bearing
12-10-12, 07:02 AM
#18
Old [Sch|F]ool
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