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Search: Posts Made By: FRED/LI
Forum: Porsche 964 & 993 Technical Forum 09-15-2011, 04:36 PM
Replies: 2
Views: 855
Posted By FRED/LI
CCU may need a rebuild

CCU may need a rebuild
Forum: Porsche 964 & 993 Technical Forum 11-01-2010, 01:15 PM
Replies: 6
Views: 2,594
Posted By FRED/LI
Had a '90 C2 that had an extremely heavy...

Had a '90 C2 that had an extremely heavy pedal...wore out the pivot pin. Finally took out the clutch and it had been fitted with a turbo pressure plate....no good as the turbos are power assisted....
Forum: Porsche 964 & 993 Technical Forum 09-04-2010, 04:09 AM
Replies: 5
Views: 958
Posted By FRED/LI
Pull the floorboard and see if the roll pin...

Pull the floorboard and see if the roll pin holding the pedal to the horizontal shaft hasn't failed leaving the pedal useless. Outside chance it could be the fault.
Good hunting.
Forum: Porsche 964 & 993 Technical Forum 05-31-2010, 03:53 PM
Replies: 4
Views: 1,130
Posted By FRED/LI
There's a pedal lever update that can solve the...

There's a pedal lever update that can solve the problem. Bleeding has to be done right if done at all.
There is a bit of free play in the pedal before it actually causes fluid movement in the...
Forum: Porsche 964 & 993 Technical Forum 03-23-2010, 02:28 PM
Replies: 5
Views: 994
Posted By FRED/LI
Yes, it's a straightforward dismantling. You can...

Yes, it's a straightforward dismantling. You can mark the rods with tape or chalk to approximate the same setting when reassembling but it's nowhere near enough that a full realignment is not...
Forum: Porsche 964 & 993 Technical Forum 02-01-2010, 02:18 PM
Replies: 7
Views: 1,558
Posted By FRED/LI
Why worry about a rebuild? Is it leaking oil all...

Why worry about a rebuild? Is it leaking oil all over? Are the valves noisy and hydraulics clacking? How's it feel driving it? I've had these beasts for close to 30 yrs., all models and condititions....
Forum: Porsche 964 & 993 Technical Forum 12-17-2009, 01:44 PM
Replies: 1
Views: 697
Posted By FRED/LI
Regarding the fan running on... you have two...

Regarding the fan running on...
you have two sensors in the tube. One coil and one probe like. I had the problem years ago and replaced the probe. That worked.
As far as too much heat....the ccu...
Forum: Porsche 964 & 993 Technical Forum 11-22-2009, 05:34 AM
Replies: 5
Views: 648
Posted By FRED/LI
DME relay......identical symptoms to what I had...

DME relay......identical symptoms to what I had on my '90
Forum: Porsche 964 & 993 Technical Forum 09-29-2009, 06:38 AM
Replies: 5
Views: 897
Posted By FRED/LI
Had the same problem years ago except mine would...

Had the same problem years ago except mine would go into limp mode and barely run. Turned out to be the plug wires...they had shorted and wrecked the DME. Confirmed by the rebuilder...or at least...
Forum: Porsche 964 & 993 Technical Forum 08-11-2009, 05:35 AM
Replies: 3
Views: 930
Posted By FRED/LI
First guess would be the pedal mechanism. The two...

First guess would be the pedal mechanism. The two operations are supposed to be independent as the pedals are depressed but there may be some interference.
I had to replace the pedal cluster housing...
Forum: Porsche 964 & 993 Technical Forum 07-24-2009, 06:52 AM
Replies: 14
Views: 1,835
Posted By FRED/LI
IF....it's the camshaft seal....it is possible to...

IF....it's the camshaft seal....it is possible to do while the engine is in the car but a bear of job. Need to be a contortionist with needle fingers. Not for the newbie by any means.
Given the...
Forum: Porsche 964 & 993 Technical Forum 07-24-2009, 04:53 AM
Replies: 14
Views: 1,835
Posted By FRED/LI
Seal and O ring at the forward end of the...

Seal and O ring at the forward end of the camshaft where the Power Steering belt rides will inevitably harden and start to leak with age. Oil drips out of the slot on the bottom of the belt housing....
Forum: Porsche 964 & 993 Technical Forum 06-10-2009, 04:07 AM
Replies: 7
Views: 898
Posted By FRED/LI
Do a search here or on the other board...there...

Do a search here or on the other board...there are multiple sources for your 'leak'.
Don't assume it's the cylinders yet. Could be the power steering pump seal at the camshaft, oil line, valve...
Forum: Porsche 964 & 993 Technical Forum 04-18-2009, 07:37 AM
Replies: 4
Views: 857
Posted By FRED/LI
Had a high mileage 90 and renewed everything that...

Had a high mileage 90 and renewed everything that went kaput. It was expected though.
Power steering rack.....leak
Power steering pump seals at the camshaft takeoff. Oil leak...one of the most...
Forum: Porsche 964 & 993 Technical Forum 12-06-2008, 05:15 AM
Replies: 3
Views: 1,156
Posted By FRED/LI
Try your public library....if they subscribe to...

Try your public library....if they subscribe to Alldata service, you can find the diagrams within this data bank.
Forum: Porsche 964 & 993 Technical Forum 11-21-2008, 05:15 AM
Replies: 20
Views: 7,955
Posted By FRED/LI
Had the bad plug wires blow my DME on my '90...

Had the bad plug wires blow my DME on my '90 years ago. Had it rebuilt and it came back with a strongly worded note: "Change your plug wires before you start it up with this unit in place." Talked to...
Forum: Porsche 964 & 993 Technical Forum 09-07-2008, 05:46 AM
Replies: 27
Views: 3,954
Posted By FRED/LI
The sytem is built around a tandem pump that...

The sytem is built around a tandem pump that supplies both the power steering and clutch with hydraulic pressure on demand.
That said, there are multiple components working together.
Quick...
Forum: Porsche 964 & 993 Technical Forum 09-03-2008, 04:33 AM
Replies: 27
Views: 3,954
Posted By FRED/LI
Turbo clutch requires power assist slave cylinder...

Turbo clutch requires power assist slave cylinder to operate. Much different from standard. Pedal mount does crack for some.
Had a 964 which had a turbo pressure plate installed and the force...
Forum: Porsche 964 & 993 Technical Forum 08-28-2008, 03:48 PM
Replies: 6
Views: 681
Posted By FRED/LI
Yes....as noted....Can be done. Don't...

Yes....as noted....Can be done.
Don't disconnect the hydraulic line to the cylinder.
Forum: Porsche 964 & 993 Technical Forum 08-28-2008, 04:13 AM
Replies: 6
Views: 681
Posted By FRED/LI
Yes, it was difficult to shift as the clutch was...

Yes, it was difficult to shift as the clutch was not being released due to the pedal assembly flexing and preventing a full throw of the cylinder.
Had a friend weld it, worked fine.
Forum: Porsche 964 & 993 Technical Forum 08-27-2008, 05:33 AM
Replies: 6
Views: 681
Posted By FRED/LI
Can be done. Four 13mm nuts hold the assembly...

Can be done. Four 13mm nuts hold the assembly down, brake rod, switch wires, throttle rod, two cylinder nuts, cylinder rod attachment and you can pop it up off the four floor studs and slide it out...
Forum: Porsche 964 & 993 Technical Forum 08-17-2008, 06:46 AM
Replies: 7
Views: 2,791
Posted By FRED/LI
Worry first about the water coming in. Good...

Worry first about the water coming in. Good chance your windshield is leaking. It's an insidious trickle that comes down the footwell wall. No real drip to see. Could also be sunroof drains if you...
Forum: Porsche 964 & 993 Technical Forum 08-01-2008, 07:06 AM
Replies: 7
Views: 936
Posted By FRED/LI
Remove the Power Steering Pump to service...

Remove the Power Steering Pump to service exhaust??????????!!!!!!!
There are no exhaust bolts near that area. The entire exhaust sytem is removed from under the engine...not the top! Drill holes...
Forum: Porsche 964 & 993 Technical Forum 07-16-2008, 05:20 AM
Replies: 11
Views: 4,486
Posted By FRED/LI
A low pitched, thudding clatter is a chain...

A low pitched, thudding clatter is a chain tensioner. Sounds like a staccato rattle that stops in a second or two. Lifters are a higher pitch ticking.
Tensioners have to pump up too at times.
Forum: Porsche 964 & 993 Technical Forum 07-04-2008, 05:44 AM
Replies: 4
Views: 761
Posted By FRED/LI
The car is 18 yrs old, it is air cooled and it is...

The car is 18 yrs old, it is air cooled and it is going to leak or weep oil. As long as there is a sufficient supply of oil and you have good oil pressure, it is going to run.
And.....there are a...
Showing results 1 to 25 of 200

 
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