Lowering Sub-frame - not removing
#1
Lowering Sub-frame - not removing
Hello everyone, I tried researching this on here but came up with nothing. Actually, I'm lying, I did see it posted but someone just said to remove the whole subframe instead of lowering it and that was the end of the thread.
I am looking to replace my front stabilizer bar bushings. I've been noticing a knock when going over small bumps. To confirm this, I have the car up on 4 jack stands and felt that there was some side to side play in the bar that would make the same knock. Therefore, I'll get to know my mini a bit more intimately and bushings are cheap so I will start there before going into more expensive things.
The Bentley manuals recommends to lower it when doing this job, so that is what I am intending to do. 1st off. Has anyone lowered the sub-frame as opposed to removing it? If so, what are some points of advice you can send my way?
Outside of this group, I found the attached PDF. Not mine, I did not create it...I found it on another site (motoring alliance).
But in comparison to what the Bentley manual says, I can't help but think there are some things missing. I know Bentley doesn't separate lowering from removing...they almost expect to you know the differences
For those of you who have lowered it....do you still need to remove the pinch bolt from the steering column as well as drop the entire exhaust system from the cat on back to the muffler and front bumper?
Anyway, I think this is a good place to start the conversation. As I take this on at my own pace, I plan on adding pics here and there. Given that I am also remodeling a room to a nursery I plan on taking my sweet as* time with this.
Thanks in advance for the advice and tips!
I am looking to replace my front stabilizer bar bushings. I've been noticing a knock when going over small bumps. To confirm this, I have the car up on 4 jack stands and felt that there was some side to side play in the bar that would make the same knock. Therefore, I'll get to know my mini a bit more intimately and bushings are cheap so I will start there before going into more expensive things.
The Bentley manuals recommends to lower it when doing this job, so that is what I am intending to do. 1st off. Has anyone lowered the sub-frame as opposed to removing it? If so, what are some points of advice you can send my way?
Outside of this group, I found the attached PDF. Not mine, I did not create it...I found it on another site (motoring alliance).
But in comparison to what the Bentley manual says, I can't help but think there are some things missing. I know Bentley doesn't separate lowering from removing...they almost expect to you know the differences
For those of you who have lowered it....do you still need to remove the pinch bolt from the steering column as well as drop the entire exhaust system from the cat on back to the muffler and front bumper?
Anyway, I think this is a good place to start the conversation. As I take this on at my own pace, I plan on adding pics here and there. Given that I am also remodeling a room to a nursery I plan on taking my sweet as* time with this.
Thanks in advance for the advice and tips!
#2
Lots of people attempt to just lower it instead of removing it in order to replace their front sway bar bushings. See if the last 4 posts in this thread HERE may be helpful.
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#4
Lots of people attempt to just lower it instead of removing it in order to replace their front sway bar bushings. See if the last 4 posts in this thread HERE may be helpful.
The question is whether the SWAY BAR (not CONTROL BAR) bushings can be replaced without taking half the car apart. Do you know the answer?
I managed to do another job which required lowering the front subframe some months ago, and I don't recall whether I had to pull off the front bumper stuff before lowering the subframe a few inches. It sure would be helpful to see a procedure.
This is a common maintenance item at 50k miles, and every response I find seems to want to reply about the control arms. Maybe nobody understands the difference. Is that it?
I'm still hoping to receive an answer to that question.
#5
Remove pinch bolt...yes.
Remove bumper... no.
Remove the bolts that attach the subframe extension to the bumper on the back side of the bumper. Remove the four bolts you would normally remove from the subframe to put it in service mode but slide the forward extensions backward about 1/2 an inch.
Remove bumper... no.
Remove the bolts that attach the subframe extension to the bumper on the back side of the bumper. Remove the four bolts you would normally remove from the subframe to put it in service mode but slide the forward extensions backward about 1/2 an inch.
#6
Remove pinch bolt...yes.
Remove bumper... no.
Remove the bolts that attach the subframe extension to the bumper on the back side of the bumper. Remove the four bolts you would normally remove from the subframe to put it in service mode but slide the forward extensions backward about 1/2 an inch.
Remove bumper... no.
Remove the bolts that attach the subframe extension to the bumper on the back side of the bumper. Remove the four bolts you would normally remove from the subframe to put it in service mode but slide the forward extensions backward about 1/2 an inch.
Noob- old thread resurrect:
.......
the 'pinch bolt' is at the steering column/rag joint, above the rack? is it necessary to secure the steering wheel with seat belt so as to preserve functionality of the clock spring?
...
the 'subframe extension'...aka crash tubes?
#7
Originally Posted by dnsherrill
-----
Noob- old thread resurrect:
.......
the 'pinch bolt' is at the steering column/rag joint, above the rack? is it necessary to secure the steering wheel with seat belt so as to preserve functionality of the clock spring?
...
the 'subframe extension'...aka crash tubes?
Noob- old thread resurrect:
.......
the 'pinch bolt' is at the steering column/rag joint, above the rack? is it necessary to secure the steering wheel with seat belt so as to preserve functionality of the clock spring?
...
the 'subframe extension'...aka crash tubes?
Crash tubes are on the forward side of the radiator bulkhead and connect to the frame box. Pop the hood and you can see them. These are lower down between the radiator bulkhead and sub-frame. Cant miss them as they have two vertical bolts per side securing them to the subframe and if i remember correctly three bolts each securing them on the front end.
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dnsherrill (03-01-2018)
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#8
see this thread: https://www.northamericanmotoring.co...trol-arms.html
I went through this last weekend. Your sig says you have a Gen1 so your experience may be different. My advice: make sure you have all the necessary tools and then drop the entire subframe. Sometimes shortcuts work. In my experience, not for this job.
I went through this last weekend. Your sig says you have a Gen1 so your experience may be different. My advice: make sure you have all the necessary tools and then drop the entire subframe. Sometimes shortcuts work. In my experience, not for this job.
#9
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