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 E89 LUC. The ongoing project! 
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Granny Driver

Joined: Fri Jan 06, 2012 2:32 am
Posts: 37
Location: Sunny Cornwall. GB
Post Re: Cambelt change instructions
What a day, how labour intensive are these cars?

It seems that for every part you're trying to get to, you have to remove at least another 3 parts!

Anyway, I'm after a quick bit of help for tomorrows session. How do I remove the orange disc with the timing marks on? I've got a puller set but thought I'd better check before I go about pulling it off in case there is something I'm missing as on the instructions I've printed off, this part is not covered very well.

Also, where are the coolant drain plugs on the blocks? I've spent 20 mins under there and I can't find them!

Finally, there seems to be a slight problem with American English and English English! What the hell is an 'inner jumper' (its on the instructions I have). A jumper here is something knitted that you wear when it's cold!

Cheers for the help!


Attachments:
File comment: This is the bit I'm ready to remove. I don't want to just pull it off just incase there is something I'm missing!
.1 011.jpg
.1 011.jpg [ 469.66 KB | Viewed 592 times ]

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1987 928 S4. Ongoing project!
1988 924 S Le Mans version.
Thu Jan 26, 2012 12:41 pm
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Location: Sunny San Diego
Post Re: Cambelt change instructions
NO Puller needed. Sometimes you can just rock them off, then sometimes you need to jam something behind it one one side move and then do the same to the other side. Once you get that Harmonic Balancer off and everything cleaned up and put on. Make sure to put anti seize on the crank before putting the HB back on.

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1981 Porsche 928 "Euro" 4.5 Litre Auto Gunsmoke Metallic Flat - Black Interrior
1983 Porsche 928S "US" 4.7 Litre Auto Light Bronze (Copper) Metallic - Brown Interior


Thu Jan 26, 2012 8:57 pm
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Granny Driver

Joined: Fri Jan 06, 2012 2:32 am
Posts: 37
Location: Sunny Cornwall. GB
Post Re: Cambelt change instructions
Cheers for the advice, it came of with a little gentle rocking.

It was going really well today, belt of, water pump off and then the face cleaned and the new pump fitted up. I then went about rebuilding the tensioner arm only to find the pulley I have bought is the wrong size, the diameter is wrong to fit into the body so I can't do anything else!

The only snag I've had is when I took the belt off, I somehow managed to wind the left (viewing from the front) camshaft pulley on 4 or 5 teeth.

I quick call to Porsche and they have told me it's fine to just wind it back but there is some pressure/resistance to overcome. I'm thinking about making a tool to fit the pulley so I can get some leverage and wind it back.

Anybody got any other suggestions?


Attachments:
File comment: You should be able to make out that my new pully is the wrong size to fit in the wheel!
.2 012.jpg
.2 012.jpg [ 462.02 KB | Viewed 585 times ]
File comment: Just need to clean the excess sealant of in the morning.
.2 019.jpg
.2 019.jpg [ 469.34 KB | Viewed 585 times ]
File comment: Hopefully you can make out the red dot I put on prior to it being moved.
.2 004.jpg
.2 004.jpg [ 464.34 KB | Viewed 585 times ]

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1987 928 S4. Ongoing project!
1988 924 S Le Mans version.
Fri Jan 27, 2012 1:13 pm
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Joined: Mon Jan 07, 2008 8:43 pm
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Location: Sunny San Diego
Post Re: Cambelt change instructions
This is a non-interference motor. Just remove the spark plugs and move it back, just make sure the spark plug holes are clean so you don't drop anything dirt on your Pistons.

Also, clean all that gunk off your engine and oil pan while you wait for a new bearing.

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1981 Porsche 928 "Euro" 4.5 Litre Auto Gunsmoke Metallic Flat - Black Interrior
1983 Porsche 928S "US" 4.7 Litre Auto Light Bronze (Copper) Metallic - Brown Interior


Fri Jan 27, 2012 4:10 pm
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Granny Driver

Joined: Fri Jan 06, 2012 2:32 am
Posts: 37
Location: Sunny Cornwall. GB
Post Re: Cambelt change instructions
Just waiting for the new pulley to arrive before I continue. I've been out and bought a pair of Bosch distributor caps, rotor arm, a full set of leads and plugs so I've got something to do while I'm waiting!

I've also got some engine degreaser so I'll have a bit of a clean up down there.

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1987 928 S4. Ongoing project!
1988 924 S Le Mans version.


Mon Jan 30, 2012 1:53 pm
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Granny Driver

Joined: Fri Jan 06, 2012 2:32 am
Posts: 37
Location: Sunny Cornwall. GB
Post Re: Cambelt change instructions
Done the cleaning and re-set the cam pulley. Just waiting for the new part to arrive!


Attachments:
928 007.jpg
928 007.jpg [ 468.98 KB | Viewed 567 times ]
928 002.jpg
928 002.jpg [ 467.53 KB | Viewed 567 times ]

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1987 928 S4. Ongoing project!
1988 924 S Le Mans version.
Wed Feb 01, 2012 8:06 am
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Joined: Mon Jan 07, 2008 8:43 pm
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Post Re: Cambelt change instructions
Looking good. Looks like you need an intake Refresh as well. this will give you room to clean the valley as well.

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1981 Porsche 928 "Euro" 4.5 Litre Auto Gunsmoke Metallic Flat - Black Interrior
1983 Porsche 928S "US" 4.7 Litre Auto Light Bronze (Copper) Metallic - Brown Interior


Wed Feb 01, 2012 8:09 am
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Granny Driver

Joined: Fri Jan 06, 2012 2:32 am
Posts: 37
Location: Sunny Cornwall. GB
Post Re: Cambelt change instructions
Had a bit of a slow time on the car as I've had to work!

I've got the belt back on and it's all timed up perfectly. I just need to re-fit the last few bits of engineware then she should be up and running.

I'm going to run her on an coolant system cleaning agent for a couple of days before flushing her out again and re-topping with the correct coolant.

Are there any instructions for bleeding the system anywhere? It's an awkward job on my 924S so I'm expecting a couple of headaches with the 928?


Attachments:
File comment: Just fitting everything. Hopefully all be done by the middle of the coming week!
s4 002.jpg
s4 002.jpg [ 475.26 KB | Viewed 548 times ]

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1987 928 S4. Ongoing project!
1988 924 S Le Mans version.
Sun Feb 05, 2012 3:08 am
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Joined: Mon Jan 07, 2008 8:43 pm
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Location: Sunny San Diego
Post Re: Cambelt change instructions
There are some drain plugs on the engne somewhere but I've never been able to find them nor use them. I do it the old fashion way. Use Zerex G05 for your Coolant, Great Stuff!!

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1981 Porsche 928 "Euro" 4.5 Litre Auto Gunsmoke Metallic Flat - Black Interrior
1983 Porsche 928S "US" 4.7 Litre Auto Light Bronze (Copper) Metallic - Brown Interior


Sun Feb 05, 2012 8:11 am
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Speed Limit Obeyer
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Joined: Mon Feb 25, 2008 12:45 pm
Posts: 491
Location: El Cajon CA
Post Re: Cambelt change instructions
There is a drain plug on each side of the block, towards the rear, just above the oil pan. Left plug and washer shown in picture as #4 and #5. The coolant enters and exits the block at the water bridge, so when you drain the radiator all the coolant below the water bridge level remains in the block. Pretty messy because it's kinda hard to predict how far the coolant is going to shoot out when you pull the block drain plugs. Best write up I saw on this was where they used a kiddie pool to catch the coolant.

The 928's cooling system is self purging, no need to bleed. The instructions in the WSM simply state to add coolant until it reaches the filler opening, heater on, run engine to operating temp, then confirm coolant is to mid level at expansion tank.

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Sun Feb 05, 2012 3:27 pm
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