Timing Chain Cover questions - BMW Luxury Touring Community
 
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post #1 of 4 Old Nov 6th, 2006, 6:52 am Thread Starter
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Timing Chain Cover questions

Hi all,
I am the lucky recipient of a leaking timing chain cover and have a couple of questions after reading through the Clymer manual.

Bike in surgery is an 02 LTC with 20,415 miles.

1) Does anyone know what diameter the crank shaft is? I want to make a sleeve for the seal. Would like to do this before I tear the bike down if possible.

2) Clymer recommends using a product called "GaskaCinch" (spelling) on the Crank Shaft Cover seal. Does anyone know what this is?

3) Is it possible to move the right radiator so that you can see the timing marks on this bike. I will mark the Hall effect plate but still would suspect timing the beast will be necessary.

4) If the anti freeze (Smurf Water) used on BMW cars the same as recommended for the LT? We have a car dealer but no bike dealer.


Thanks

Roy Gregersen

Ride Slow, Ride Fast, Always Ride Safe
85 K100RT sold
02 LTC DOA 9/21/14
12 R1200RT
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post #2 of 4 Old Nov 6th, 2006, 9:39 am
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Quote:
Originally Posted by bigbear
Hi all,
I am the lucky recipient of a leaking timing chain cover and have a couple of questions after reading through the Clymer manual.

Bike in surgery is an 02 LTC with 20,415 miles.

1) Does anyone know what diameter the crank shaft is? I want to make a sleeve for the seal. Would like to do this before I tear the bike down if possible.
No need, you can pull the sleeve off the end of the crankshaft, and put it back on after the cover is in place. That allows you to push the sleeve into the seal in the correct direction to avoid seal damage.
Quote:
2) Clymer recommends using a product called "GaskaCinch" (spelling) on the Crank Shaft Cover seal. Does anyone know what this is?
I use Permatex "Ultra Black", available just about anywhere,great stuff. Never have had a leak using that.
Quote:

3) Is it possible to move the right radiator so that you can see the timing marks on this bike. I will mark the Hall effect plate but still would suspect timing the beast will be necessary.
Yes, not easy, but doable. I posted timing instructions once. You can use an analog volt meter to do it (digital will work, but much easier to detect the movement of a needle than change in digital reading). If I remember correctly, it is the orange wire, you can pick it up in the electrical box under the tank. I drilled out an old spark plug to accept a rod to use with a dial indicator in order to measure the 0.010" before TDC, then rotate the hall plate to set the timing.
Quote:

4) If the anti freeze (Smurf Water) used on BMW cars the same as recommended for the LT? We have a car dealer but no bike dealer.
I just purchased a gallon of BMW anti-freeze, about $12. That is enough for two complete changes, and a little left over. It is used by BMW in both cars and motorcycles.

I don't want to achieve immortality through my work...I want to achieve it through not dying.

David Shealey
Dandridge, TN
EX: '01 Black LT, BAT BYKE (Totaled at 110,000 miles)
IBA SS, BB, BBG, 10/10ths.
No bike now, but maybe in the future.
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post #3 of 4 Old Nov 6th, 2006, 11:08 am Thread Starter
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Gaskacinch update

Dave,
I appreciate all of your replies and help but... I think the GaskaCinch is used on the rubber gasket for the Crank Shaft Cover to help hold it in place during assembly. It may also help keep the rubber seal from getting hard and brittle overtime.

I believe the Permatex Ultra Black is a RTV type sealer that hardens. Am I safe in presuming the Ultra Black does this also?

Not questioning your wisdom, just trying to confirm my lack of knowledge.

Roy

Roy Gregersen

Ride Slow, Ride Fast, Always Ride Safe
85 K100RT sold
02 LTC DOA 9/21/14
12 R1200RT
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post #4 of 4 Old Nov 6th, 2006, 1:50 pm
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Quote:
Originally Posted by bigbear
Dave,
I appreciate all of your replies and help but... I think the GaskaCinch is used on the rubber gasket for the Crank Shaft Cover to help hold it in place during assembly. It may also help keep the rubber seal from getting hard and brittle overtime.
You do not need anything on the rubber gasket for the valve cover and crankcase cover, other than a very small dab at the corners of the half moon cutouts for the cams on the valve cover, and the two joints at the front where the block/head and timing cover meet. Do not put anything anywhere else on those gaskets. They need nothing to hold them in place, as they already have those features molded in. They can be re-used a couple times, as they are very slow to harden and or crack.
Quote:

I believe the Permatex Ultra Black is a RTV type sealer that hardens. Am I safe in presuming the Ultra Black does this also?
It is a silicone gasket maker, and never "hardens", but stays "rubbery". It is meant mainly as a gasket MAKER, not just a sealer, but it also does a great job of gasket sealing where paper/metal gaskets are used.
Quote:

Not questioning your wisdom, just trying to confirm my lack of knowledge.

Roy

I don't want to achieve immortality through my work...I want to achieve it through not dying.

David Shealey
Dandridge, TN
EX: '01 Black LT, BAT BYKE (Totaled at 110,000 miles)
IBA SS, BB, BBG, 10/10ths.
No bike now, but maybe in the future.
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