AWD Front Differential oil change help
10-09-17, 12:56 PM
#17
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awesome thanks for all the info, i came across some other information on this forums where people were saying fill and train plugs were 10mm hex bolts
10-11-17, 05:21 AM
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Hey Mike! I had little bit of time last night to look around under the car. So yeah steering rack knuckle where steering wheel connects to the rack is defiantly blocking the fill bolt. Now did you remove the two 8mm bolts from the knuckle where steering wheel connects to the rack or the actual two bolts that how the steering rack to the sub frame ?
10-11-17, 08:26 AM
#20
Hey Mike! I had little bit of time last night to look around under the car. So yeah steering rack knuckle where steering wheel connects to the rack is defiantly blocking the fill bolt. Now did you remove the two 8mm bolts from the knuckle where steering wheel connects to the rack or the actual two bolts that how the steering rack to the sub frame ?
Last edited by MikeFig82; 08-13-18 at 03:48 PM.
10-11-17, 08:43 AM
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The 2 from the subframe. Both are 19mm nut, and bolt. You'll have to prop it up to get it out of your way. It requires a 1/4 drive 12mm integrated socket swivel. With long extensions. As you can see there is not much room to work with. Like I said before make sure the socket is planted well on the bolt. The bolts tend to strip easy and get rounded.
10-25-18, 01:52 PM
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Everytime i read these threads i leave more confused and with a headache then when I started out. I then sit around debating on what where and who to do my services. I think everyone needs to not answer unless they actually know the answer. Or get some actual Lexus mechanics in here to answer peoples question. And just answer with Yes or No.
LMAO LOL!!!!!
LMAO LOL!!!!!
10-25-18, 02:10 PM
#23
Everytime i read these threads i leave more confused and with a headache then when I started out. I then sit around debating on what where and who to do my services. I think everyone needs to not answer unless they actually know the answer. Or get some actual Lexus mechanics in here to answer peoples question. And just answer with Yes or No.
LMAO LOL!!!!!
LMAO LOL!!!!!
It's a tight spot I had to find a better one.
https://www.clublexus.com/forums/is-...l#post10282976
Last edited by MikeFig82; 10-25-18 at 02:21 PM.
10-24-21, 05:32 PM
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New member here. I messed with that front diff fill bolt on my 2014 IS250 today, and could not get a clear shot on it. I even tried swivel extension, a universal 14mm socket and no dice. I think I am going to have to detach the steering rack. Even then, I am not sure if its doable. There has to be a secret to this. I cannot imagine the Lexus tech has to go through heroic efforts to change someone's diff fluid. 
11-17-22, 08:43 AM
#25
New member here. I messed with that front diff fill bolt on my 2014 IS250 today, and could not get a clear shot on it. I even tried swivel extension, a universal 14mm socket and no dice. I think I am going to have to detach the steering rack. Even then, I am not sure if its doable. There has to be a secret to this. I cannot imagine the Lexus tech has to go through heroic efforts to change someone's diff fluid.
12-12-22, 10:03 AM
#26
I used a standard ratchet wrench to remove the fill bolt from below. It's a tight fit, but you can use a hammer to tap on the wrench to break the bolt loose. Just make sure the wrench is on straight, otherwise the bolt will round out. Filled using a cheap hand pump bought at harbor freight. I then used a long magnetic telescopic tool wand (also purchased at hf) to position the fill bolt in place. Then had to maneuver my fingers around the power steering rack to get it started. Finally once the bolt was in place, used the ratchet wrench to tighten. It was probably 7/10 as far a difficulty goes. Hard, but doable with lots of patience involved.
Last edited by evrynite; 12-12-22 at 10:34 AM.
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