Brake & Clutch Problems Help (56k = Die)

ONLY for ADVANCED technical discussion about the 240sx!
kyle1911
Posts: 267
Joined: Thu Dec 25, 2003 6:04 am
Car: 1989 240sx xe coupe

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1) Bled my brakes to the best of my abulity with only 1 useable bleeder valve and the rest loosening the line on the caliperchecked the system and no leaks.whats even weirder is i let my car sit in my garage for about a week without touching it, i could somewhat built up some pressure in the lines and i go to pump the brakes and ..... wha theres barally any pressure? not leaking anyware.... so i take the wheels off and bleed... tones of air?? where is it comming from? did i not get it all and it gathered in the lines?

2)also my clutch is loosing pressure after a little whiles use, i was going to remove the dampener and .... the 10mm wrench is just .5mm to small and it starts to roll over the nuts, i dont want to round them? any suggestions?

3)after i bled the actuator i noticed there were 2 BB's lying under the car, i cleaned the floor so i new it came from somewhere on the car but i couldnt see how or where. thier about 6-8 mm in diameter

4)Passanger side shock tower, no rust whatsoever everything seems to be intact but... the nut which attaches the shock to the mount is off shaped and pulls through. randomly did this one day when i jacked it up and put it on stands. what could have caused this and what solutions do i have?

ill post up some pics if needed when i get the chance:help

Thanks


cstang68
Posts: 23
Joined: Thu Dec 11, 2003 1:52 pm

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I have the answer for #2. Go out and buy a flarenut wrench set. It's like a box wrench w/ a slit cut out so that that you can slip the brakeline through

180fan
Posts: 7799
Joined: Sat Dec 14, 2002 12:16 pm
Car: 89 fastback

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#1. Test your brake booster. With the car off, depress the pedal once, and note the position. Depress a second and third time repeating the process for part 1. The pedal should move further up along the range of motion that is allowed for the brake pedal. If it doesn't keep moving up, and staying there, your booster's shot. I would suspect it's either gone out, or it's beginning to leak. Give that a shot.

#2. The clutch bleeder is a 10mm. So are the flare nuts that are for all the hydraulic lines in the 240sx. Get a good set of flare nut wrenches though. I had a pos one from a local auto parts store. Stripped more nuts than it's worth. Recently bought a set of Husky brand from Home Depot. Works very well at the recommendation of a local machinist.

#3. bb's? Only thing I can think of that would resemble bb's are parts of bearings. Got any pics of the lil bastards?

#4. What do you mean it pulls through? You mean the nut at the top of the shock that holds in the mount isn't holding? Got a pic of this also?

kyle1911
Posts: 267
Joined: Thu Dec 25, 2003 6:04 am
Car: 1989 240sx xe coupe

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PicturesResovior and booster passangers side Drivers side BB's

actuator

random wires that some dumbass cut off the transmission

clutch slave



passanger side ****ed + camber

damper and random cut wires

another wire that leads nowhere

Hope this helps

yozsi
Posts: 107
Joined: Fri Dec 12, 2003 1:40 pm
Car: Racing

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you have got some serious rust problems

kyle1911
Posts: 267
Joined: Thu Dec 25, 2003 6:04 am
Car: 1989 240sx xe coupe

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?rust Problems? im sorry if it doesnt look liek it just came out of the factory but the salty air/roads of Nova Scotia will do it... i dont live in texus where cars hold thier own forever

kyle1911
Posts: 267
Joined: Thu Dec 25, 2003 6:04 am
Car: 1989 240sx xe coupe

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Anyone? lets hear theories or speculations

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p00t
Posts: 780
Joined: Thu Feb 13, 2003 2:42 pm

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k.. this car obviously needs a ****LOAD of TLC.... It looks like theres stuff leakign in some of the pics... if you want to find out if the fluid leaking is significant you will have to clean those areas up and inspect it periodically. Go to your local pepboys or autozone and get some "engine degreaser". Get the stuff that comes as a foam, you spray it on and let it sit, then rinse it off.... does wonders!

Those BBs possibly came from your passenger side strut hat. The top of the strut assembly on the 240 has a bearing which allows the assembly to rotate slightly as the spring compresses and expands. When that bearing is going out normally the bearing will "pop" under hard braking (as the spring compresses from the weight moving to the front of the car). It appears as though this has gone passed the popping phase and the bearing is completely destroyed. This is what is causing your camber problems as well. Replace the top of the strut assembly and your good to go.

The wire on the battery tray looks like the AC Tank Pressure sensor, doesnt look like you have AC so your fine :)

When bleeding brakes you should only be using the bleeder valve, just losening the line is not the correct way to do it... if the valves themselves are scared/rusted up, buy 2 sets of russel speed bleeders and replace the old ones, it will make life much easier and youll be able to bleed it correctly.

Also, if a brake/clutch line nut is rounded off, dont be afraid to use the ol vise grips on them.

kyle1911
Posts: 267
Joined: Thu Dec 25, 2003 6:04 am
Car: 1989 240sx xe coupe

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Yeah it definately does need alot of TLC i bough tit for 700CDN so it not like i expected a perfect car. if you think this is bad i should have posted detailed pictures of the car when i bought it.

- the place where it is leaking appears to be where you cut the speed sensor wires on the transmission that go to the ECU :confused: donno why he cut them the car is unmodded.

- i wonder how that went? as i have not beed doing very much hard braking as i have 90% pressure in the rear and barally any up front, i had to engine brake to inorter to slow down when i drove it.How much does the Top of the Strut tower Assembly usually run in prices?

- im iffy about trying to take the rear bleaders off because i broke the front driver side after soaking it in liquid wrench for 6 hours and torqued it.

- i didnt want to crimp it. so i was tentitive. im goign to bororrow a flare nut wrench from my friend after exams

ya, i dont have AC

Thanks for the Help.Kyle

kyle1911
Posts: 267
Joined: Thu Dec 25, 2003 6:04 am
Car: 1989 240sx xe coupe

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This what i need for the upper strut assembelly?

http://www.trademotion.com/par...gid=1

#8 which isnt there

kyle1911
Posts: 267
Joined: Thu Dec 25, 2003 6:04 am
Car: 1989 240sx xe coupe

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anyone know how much an Strut Bearing should run me ?

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p00t
Posts: 780
Joined: Thu Feb 13, 2003 2:42 pm

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http://www.rockauto.com

Great place for quality replacement parts and bolts. There it will run you about 50 dollars.

go to the site, click to start, it will take a min to load.

then go to NISSAN, then your cars production year.

240sx > Suspension > Strut Bearing > choose front strut bearing

Before you do this however, go to pepboys and rent a spring compressor. It will be $40, but when you bring it back they give you the $40 back... its free :). Take apart the front strut and check that the bearing is your culprit, and check the condition of the strut mount etc...

Good Luck!


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