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Ozzie · Posted: Sat Aug 02, 2014 7:15 am Post subject:

I think the screw has a limited travel in both directions. it may have been adjusted too far
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Porsche 924 1984 (UK import) NA
Its AUTO and its BLACK
Montego Black on black/red
Engineer of Electro/Mechanical Systems Maintenance

pmcaya2 · Joined: 24 Nov 2005 Posts: 191 Location: Scio, NY USA

Great pictures Kcole.
Back to timing, here's a short procedure - I recommend you check this before you go after the CIS:

When you replace a timing belt or otherwise have to check timing, here's the procedure for a 924:

1) Turn the crank with a socket until the forward most (#1) cylinder is at top dead center with both valves closed - the nic on the engine pulley should be aligned with the pointer.

2) The indented dot on the back of the camshaft pulley has a dot which should be aligned with the nearby marker. (There is also an indented dot on the front which is not the right for timing.)

3) Place the belt around of the engine pulley without moving the pulley. Bring the right side of the belt over the camshaft pulley and work the cogs into the pulley. Bring the belt around the tensioner side and snug down the tensioner. Check crank/cam alignment and adjust the tension on the belt to allow less than 1/8 lateral movement on the long side of the belt.

4) Finally, with crank and cam aligned, loosen the distributor collar and adjust the distributor so that the rotor is aligned to the contact that fires the #1 cylinder. This should get the engine started and you might tweek the distributor for fine tuning. We used to call this "dry timing" when working on motorcycles.

Rprimm · Joined: 15 Jul 2014 Posts: 15 Location: Virginia

Alright I'm getting pretty close to being able to drive it but I've come across a problem. I can't find the correct caliper rebuild kit for my front brakes. I've ordered from 2 different places already and both we're too big. I think it has something to do with 4/5 lug confusion, most of the kits for sale say they are for 5 lug, and mine is a 4 lug. Here's a picture of my car, anyone else have any similar problems with this or know where I can find a kit? The part number is worn off of the calipers...

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kcoyle · Joined: 15 Jan 2011 Posts: 712 Location: Long Island, NY

I believe you are looking for part number 803698471 as per this page.

The Parts Catalog (PET) is available online.

http://www.porsche.com/usa/accessoriesandservices/classic/genuineparts/originalpartscatalogue/
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1982 931- Stock with MBC at 8psi

Relax, all right? My old man is a television repairman, he's got this ultimate set of tools. I can fix it.

Rasta Monsta · Joined: 12 Jul 2006 Posts: 11733 Location: PacNW

http://www.ecstuning.com/ES1374174/
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Toofah King Bad

WeiBe (1987 924S 2.5t) - 931 S3

Rprimm · Joined: 15 Jul 2014 Posts: 15 Location: Virginia

Thanks guys!

kcoyle · Joined: 15 Jan 2011 Posts: 712 Location: Long Island, NY

Also, excellent write up on rebuild.

http://www.924board.org/viewtopic.php?t=21186
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1982 931- Stock with MBC at 8psi

Relax, all right? My old man is a television repairman, he's got this ultimate set of tools. I can fix it.

Fasteddie313 · Joined: 29 Sep 2013 Posts: 2595 Location: MI

hmm..

didn't notice page 2.. my post was instantly obsolete..
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80 Turbo - Slightly Modified

Rprimm · Joined: 15 Jul 2014 Posts: 15 Location: Virginia

I've been busy so I'm just now getting back to my car. It turns out ECS Tuning doesn't even sell the caliper rebuild kits I need, they must have just discontinued it because my order went through but then they cancelled it and refunded me. I called them and the guy told me they don't sell that item anymore. Does anybody have any idea where else I could order these?

Also, the parts catalog had 2 different thermostats listed so I ordered the lower temperature of the two (Coolant is leaking from the seal near the thermostat so I'm just going to replace the thermostat while I'm at it. Do I need to change the radiator fan switch to a different temp too? I'm also going to flush the coolant system so what are some other things I might want to replace or check on since I'm going to drain the coolant?

The last question I have is, How hot does the engine need to be before the radiator fans turn on? I've never seen them turn on. I only run it for no more than 10mins at a time (sitting still, it's not drivable yet.) I usually run it until the engine block is too hot to leave my hand on it... Is there a way to test the fans? Thanks

jason c · Joined: 13 Jan 2014 Posts: 1018 Location: Nwi

If you measure the piston seal, you might be able to order a generic seal or a kit with the right size in it.

Water pump & hoses.

There are different temp fan switches. It should come on when the water temperature in the radiator reaches the temp engraved on the switch. You don't necessarily have to Change the fan switch because you change the thermostat but you can if youre running hot sitting in traffic. They'll run more often and longer with a lower switch. To test the fans, pull both wires on the switch wires and jumper them together.