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Messed up clutch install. Fix or leave it? #4481690
08/07/17 10:51 AM
08/07/17 10:51 AM
Joined: Apr 2010
Posts: 235
Detroit
Kurtatron Offline OP
Kurtatron  Offline OP

Joined: Apr 2010
Posts: 235
Detroit
Hello Everyone. I replaced my first clutch ever in a 1991 Toyota Previa. Everything went well except for one side affect. When engaging the clutch, there is a very minor vibration that occurs, say 30% of every engagement. The vibration is very minor, No noise, and you can't feel it if you are a passenger.

I can feel it through the clutch pedal, and the steering wheel, and the mirrors visibly vibrate a little. I am certain it is because I placed too much lube on the clutch disk spline. The grease likely contaminated the disk when it spun at 3000+ rpm. For now, it is a minor inconvenience, but will this issue become something worse if I leave it as is? Will the disk wear unevenly and cause some sort of catastrophic failure? I don't want to go back in there. If you know the Previa, you know it is not a nice van to work under. Like I said, The vibration is very minor, it's like feeling the pulse of a speaker pounding a bass line through the the pedal and steering wheel. And it doesn't occur every time.

Last edited by Kurtatron; 08/07/17 10:54 AM.
Re: Messed up clutch install. Fix or leave it? [Re: Kurtatron] #4481725
08/07/17 11:33 AM
08/07/17 11:33 AM
Joined: Dec 2008
Posts: 3,178
Occupied Virginia
Bottom_Feeder Offline
Bottom_Feeder  Offline

Joined: Dec 2008
Posts: 3,178
Occupied Virginia
It may not be the grease. Did you have the flywheel resurfaced? Did you replace the pressure plate?

Re: Messed up clutch install. Fix or leave it? [Re: Bottom_Feeder] #4481745
08/07/17 11:51 AM
08/07/17 11:51 AM
Joined: Apr 2010
Posts: 235
Detroit
Kurtatron Offline OP
Kurtatron  Offline OP

Joined: Apr 2010
Posts: 235
Detroit
All parts were replaced, and the flywheel was resurfaced. Pilot bearing, throw out, pressure plate etc.

Re: Messed up clutch install. Fix or leave it? [Re: Kurtatron] #4481795
08/07/17 12:56 PM
08/07/17 12:56 PM
Joined: Dec 2004
Posts: 7,401
beaver land EH?
Quest Offline
Quest  Offline

Joined: Dec 2004
Posts: 7,401
beaver land EH?
given it's age: check all engine and transmission mounts and replace them.


"Internet discussion boards act as echo chambers for conspiracy dittoheads" A.Allen
Re: Messed up clutch install. Fix or leave it? [Re: Kurtatron] #4481867
08/07/17 02:22 PM
08/07/17 02:22 PM
Joined: May 2012
Posts: 6,167
Fort Lauderdale, FL
DoubleWasp Online content
DoubleWasp  Online Content

Joined: May 2012
Posts: 6,167
Fort Lauderdale, FL
Check the break in instructions for the clutch. It might be that you haven't done it yet, or need to do it over again properly.

I used to always use ACT clutches. Magnificent clutches, but always came with "500 mile issues". Shuddering, chattering, screeching for no reason, and bucking so badly on engagement that you'd have to back off and reapply.

How well you broke it in made a huge difference in how good or bad your issues were, but you always got at least one. However, once you were out of the woods, you had a clutch that never backed down and never missed a step.

Like I said, check your break in instructions.


07 Lincoln Navigator M1 0w-40/FU
68 Charger R/T / Supercharged 440 VR1/DBL7349
07 Ram 3500 4x4 / Cummins 6.7 /DBL7349
17 Maserati GranTurismo Cabrio
Re: Messed up clutch install. Fix or leave it? [Re: Kurtatron] #4481920
08/07/17 03:29 PM
08/07/17 03:29 PM
Joined: Aug 2015
Posts: 3,064
NC
BigD1 Offline
BigD1  Offline

Joined: Aug 2015
Posts: 3,064
NC
What clutch/pressure plate did you put in it?

If I can afford it at the time, I just buy the factory original kit especially if I got anything over 100,000 miles on a 4-banger.

I have had them grabby before even with a resurfaced pressure plate, but never had them vibrate. Grabby even smoothed out over time.


1992 Toyota Pickup--Castrol GTX 10W-40--ACDelco PF53
Re: Messed up clutch install. Fix or leave it? [Re: Kurtatron] #4481988
08/07/17 04:40 PM
08/07/17 04:40 PM
Joined: Apr 2010
Posts: 235
Detroit
Kurtatron Offline OP
Kurtatron  Offline OP

Joined: Apr 2010
Posts: 235
Detroit
I used factory oem parts. I did not know there is a break in procedure. If there is, I have no instructions, because I did not order a kit, just oem replacement parts.

Re: Messed up clutch install. Fix or leave it? [Re: Kurtatron] #4482020
08/07/17 05:12 PM
08/07/17 05:12 PM
Joined: Jun 2003
Posts: 34,096
ME
eljefino Offline
eljefino  Offline

Joined: Jun 2003
Posts: 34,096
ME
This is dumb but idle the van, set the e-brake, and dump the clutch. Helps scrub oil off.

Re: Messed up clutch install. Fix or leave it? [Re: Kurtatron] #4482142
08/07/17 07:28 PM
08/07/17 07:28 PM
Joined: Sep 2004
Posts: 8,014
Marshfield , MA
andyd Offline
andyd  Offline

Joined: Sep 2004
Posts: 8,014
Marshfield , MA
We used to put the front bumper against a tree and slowly let out the clutch. I wouldn't try that with any car built after 1980. crackmeup


'16 Camry LE STP synth 0w20 and STP filter. the Fridge

1994 Ranger ,the Rat, 5w30 dino, STP filter

'16 Camry SE, Valvoline HM 0w20 and OEM filter
Thick oil is better grin2
Re: Messed up clutch install. Fix or leave it? [Re: Kurtatron] #4482200
08/07/17 08:25 PM
08/07/17 08:25 PM
Joined: Oct 2009
Posts: 3,947
Ohio
L_Sludger Offline
L_Sludger  Offline

Joined: Oct 2009
Posts: 3,947
Ohio
You could try a burnishing procedure on the clutch.


too many cars and oil combinations to list in 150 characters or less
Re: Messed up clutch install. Fix or leave it? [Re: Kurtatron] #4482217
08/07/17 08:48 PM
08/07/17 08:48 PM
Joined: Apr 2005
Posts: 357
CT
CrAlt Offline
CrAlt  Offline

Joined: Apr 2005
Posts: 357
CT
I would run it for a wile and see if it clears up. If it really is because of the lube contamination the damage is already done. No need to rush in there.


'16 Wrangler JK PYB 5w20 / MO 349
'77 Corvette JG HR2 10w30 / AC PF454
'83 Trans-Am JG HR2 10w30 / AC PF454
'91 Dodge D150 QSGB 10w40 / AC PF13
Re: Messed up clutch install. Fix or leave it? [Re: Kurtatron] #4482264
08/07/17 09:42 PM
08/07/17 09:42 PM
Joined: Apr 2010
Posts: 235
Detroit
Kurtatron Offline OP
Kurtatron  Offline OP

Joined: Apr 2010
Posts: 235
Detroit
But what is the damage that has been done? That is really what I am wondering. I have put maybe 700 miles since the install. It isn't really improving, or getting worse.

Re: Messed up clutch install. Fix or leave it? [Re: Kurtatron] #4482278
08/07/17 09:58 PM
08/07/17 09:58 PM
Joined: Mar 2016
Posts: 1,719
Toronto
PeterPolyol Offline
PeterPolyol  Offline

Joined: Mar 2016
Posts: 1,719
Toronto
If it's really grease, that may be a recipe for runout. That is to assume that all was reassembled without any runout. Grease doesn't burn clean off. Then again, a small amount of grease on the spindle shouldn't get slung off with such small cetrifugal forces given the shaft's small diameter, unless a glob of it gathered/bunched up as the shaft slid through (ie. too much grease), then it could certainly have gone rogue and at the most damaging position- lined right up with middle of the clutch sandwich.

If I were you, and at the moment of occurrence, no sooner would a can of brake cleaner be in hand, trying to find an opening, vent or access port to douse the FW/disc/PP, preferably while someone holds the clutch down with the engine idling, so the disc stops and the steel friction surfaces glide over, spreading the brake cleaner.

I had a used old car that did that juddering. Had no idea what caused it since I bought it like that, but one day it did it, something went snap and the clutch slipped constantly if you put your foot into it. What had happened was one of the spring 'fingers' broke away from the rest. Still no idea what caused the juddering or the one spring to break.

Last edited by PeterPolyol; 08/07/17 10:02 PM.

There's no replacement...'scosity for natural viscosity
Re: Messed up clutch install. Fix or leave it? [Re: Kurtatron] #4482386
08/08/17 05:23 AM
08/08/17 05:23 AM
Joined: Sep 2009
Posts: 16,484
OH
fdcg27 Offline
fdcg27  Offline

Joined: Sep 2009
Posts: 16,484
OH
This'll either get better or it won't.
Unless you feel like taking it apart again and trying to figure out the source of the judder, you probably have to live with it.
Imagine how much worse it would be to take it apart, replace what you believe might be a contaminated clutch disc, button it back up and then find the same judder.
Now that would be a true wrench throwing moment.


18 Accord Hybrid FF
17 Forester 18K VME 0W-20
12 Accord LX 96K SSO 0W-20
09 Forester 95K M1HM 10W-30
01 Focus ZX3 118K PP 5W-20
96 Accord LX 104K T5 10W-30
95 318i
Re: Messed up clutch install. Fix or leave it? [Re: Kurtatron] #4482444
08/08/17 07:58 AM
08/08/17 07:58 AM
Joined: Dec 2003
Posts: 10,092
Florida, Cape Coral
Eddie Offline
Eddie  Offline

Joined: Dec 2003
Posts: 10,092
Florida, Cape Coral
+1. I'd live with it. It may get better or worse but, as said by fdgc27, at this point you may not to able to tell with certainty what is the cause. Ed


CX5 Touring 2.5L :-)
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