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  Topic Review (Newest First)
Oct 4th, 2006 12:56 pm
mneblett
Quote:
Originally Posted by ltcommuter
Thanks, Mark!

One last question (for today ).

Is the red high temp dashboard light on the same circuit as the radiator fans or is there another sensor with a higher threshold?

My red light seems to be coming on about the same time as the fans start. I would think that fan control would be sort of a normal cooling thing and that the light should signal abnormally high temps.
AFAIK, only the sensor at the cylinder head is used for fan and warnng light control (the sensor at the coolant pump being only for indication of warm-up). The Moronic, while a fairly basic computer, has the ability to control the fans and separately set the overheat light from the same sensor. I suspect the timing of the light and the fans is coincidence -- a consequence of the low flow due to the restricted bypass flow with the thermostat closed.
Oct 4th, 2006 12:46 pm
ltcommuter
One last question

Thanks, Mark!

One last question (for today ).

Is the red high temp dashboard light on the same circuit as the radiator fans or is there another sensor with a higher threshold?

My red light seems to be coming on about the same time as the fans start. I would think that fan control would be sort of a normal cooling thing and that the light should signal abnormally high temps.
Oct 4th, 2006 10:53 am
mneblett
Quote:
Originally Posted by ltcommuter
Just so I understand the whole picture, does the coolant always flow through the left radiator or is there a bypass thermostat on that one too?
Only the thermostat under the right radiator; small flow through the left radiator at all times. FWIW, I just noted a few pages farther into the coolant section of the manual is a trouble-shooting diagram that sez if the right radiator's cool and the left's hot, and the hose from the pump is hot, replace the thermostat -- sounds like you're on the right track.
Oct 4th, 2006 10:25 am
ltcommuter
Drat!

Are you telling me that them little thermo thingies don't last forever? It's malfunction certainly does fit the symptom. Thanks Mark and David! Now I can add some value (other than out of my wallet) to this whole dealer/customer dynamic.

Just so I understand the whole picture, does the coolant always flow through the left radiator or is there a bypass thermostat on that one too?

I did have SJBMW replace all the hoses a few months back 'cause I KNOW those don't last.

Cheers!
Oct 4th, 2006 7:29 am
mneblett
Quote:
Originally Posted by dshealey
I read his post to mean that he had airflow on both sides, but one side hot, the other cold. If he had said no air flow on one side, then yes, an electrical problem on that side.
Back in town, and caught your post -- missed that! Thanks for the catch, David.

As to possibilities, as I look at the coolant diagram in the Repair Manual, one thing comes to mind -- if the flow directions are as indicated, a faulty thermostat under the right radiator would block flow out from the bottom of the right radiator, while the coolant pump circulates coolant through the engine/left radiator (the usual pre-warm-up flow path). That would fit the symptoms.
Oct 4th, 2006 12:28 am
ltcommuter
Quote:
Originally Posted by dshealey
I read his post to mean that he had airflow on both sides, but one side hot, the other cold. If he had said no air flow on one side, then yes, an electrical problem on that side.
...and you read my post correctly, David. Both fans are running butt the left side blows hot while the right side much less so. Before I changed engines both sides were blowing very hot air. SJBMW obviously had to dump the radiator fluid when they installed the replacement engine. Maybe they didn't add enough back into the system. Is there anyway the hot fluid would favor the left radiator over the right?

I am also surprised by the red warning lite on the dashboard. That light never came on with my old engine while my fans ran whenever necessary. Are they on the same circuit or is there another sensor with a higher threshold? I'm thinking that if there is another sensor the one on my old engine never worked!

Thanks again for all your help!

Cheers!
Oct 2nd, 2006 4:36 pm
dshealey
Quote:
Originally Posted by mneblett
Bingo! I believe Grif's got it -- either unplugged or one of the right fan wires crimped/broken.

The fact that the other fan is working and the warning light is on sez everything else in the system is working right -- fan relay ok (left fan on), coolant temp sensor working (provides Moronic with signal to turn on relay and to set the dash warning light). Coupled with the situation you described (stopped, no air flow through radiator), all the signs are pointing to you having only to endure the pita of removing the tupperware and the fuel tank to fix this. Sorry for the pita, but at least it should an easy fix!
I read his post to mean that he had airflow on both sides, but one side hot, the other cold. If he had said no air flow on one side, then yes, an electrical problem on that side.
Oct 2nd, 2006 10:51 am
ltcommuter
Quote:
Originally Posted by SilverBuffalo
Hmmm a modicum.......
(I'm gonna hafta look that one up)
That's a good thing right?

Glad to hear you're back on the road Bob,
I'd like to see you exceed your mileage with this engine.
Hans - Unlike my old engine, the replacement engine actually sounds like it has compression! It's noticeably more peppy.

Yes, I'm planning to take it up to as many miles as it takes while waiting for BMW to come out with the new K12 engine on an LT! Yes, I'm an optimist...

Cheers!
Oct 1st, 2006 6:46 pm
SilverBuffalo
Quote:
Originally Posted by ltcommuter
Coni - Funny you should ask today since I just picked it up this morning from SJBMW! Yes, I'm on the road again and with a modicum of additional power! !
Hmmm a modicum.......
(I'm gonna hafta look that one up)
That's a good thing right?

Glad to hear you're back on the road Bob,
I'd like to see you exceed your mileage with this engine.
Oct 1st, 2006 11:06 am
mneblett
Quote:
Originally Posted by grifscoots
One of your fans is unplugged?
Bingo! I believe Grif's got it -- either unplugged or one of the right fan wires crimped/broken.

The fact that the other fan is working and the warning light is on sez everything else in the system is working right -- fan relay ok (left fan on), coolant temp sensor working (provides Moronic with signal to turn on relay and to set the dash warning light). Coupled with the situation you described (stopped, no air flow through radiator), all the signs are pointing to you having only to endure the pita of removing the tupperware and the fuel tank to fix this. Sorry for the pita, but at least it should an easy fix!
Oct 1st, 2006 11:04 am
dshealey
Quote:
Originally Posted by ltcommuter
------------------------------
However, I felt the air flow from the fans on both sides of the bike and the left one was hot (normal) and the other one was cold! Something is obviously wrong with the cooling system ---------------------------
Cheers!
With air coming out both sides, seems both fans are working. The only thing I can think of is that the system was not "burped" properly and you have an air lock on one side. You have to squeeze the hose on the left side in and out to burp all the air out of the system when it is first filled. I would have thought that that much riding would have cleared any air out though.
Oct 1st, 2006 8:56 am
grifscoots One of your fans is unplugged?



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Oct 1st, 2006 2:01 am
ltcommuter
Quote:
Originally Posted by black1200lt
Bob,

Have you got that puppy up and running yet?
Coni - Funny you should ask today since I just picked it up this morning from SJBMW! Yes, I'm on the road again and with a modicum of additional power! I got an engine/clutch/transmission with only 30k miles on it from Hans "Silver Buffalo" Ruys (whose misfortune in May with an Elk became my good fortune) so... though the odometer sez 183k I'll know there is really only 30!

I do need some advice from the combined wisdom on this forum...

Tonight while returning from dinner in Napa I got a phone call and pulled into a rest stop to talk. I left the bike running since my audio cuts off if turn off the bike. After a few minutes I noticed the red temp lite on the dash came on (I've never seen that before) and the analog temp gauge was just below the black mark before the red section. In my experience it's pretty typical that on extended idling the temp gauge will reach that mark and the fans kick in and drop it down.

However, I felt the air flow from the fans on both sides of the bike and the left one was hot (normal) and the other one was cold! Something is obviously wrong with the cooling system and that red lite thing has got me worried. As soon as I started moving down the freeway the gauge started to drop back to the middle. I thought it was interesting that the red lite didn't go out until the gauge got to the middle again.

So anyone got any ideas? I'll take the bike back to my dealer this week and have them check it out butt I often get great adivce from members of this forum and use it to help focus their diagnostics.

TIA

Cheers!
Sep 30th, 2006 11:49 pm
black1200lt Bob,

Have you got that puppy up and running yet?
Sep 13th, 2006 9:45 am
Mitch_Rider [QUOTE=ltcommuter]That's my real goal otherwise I'd just go and buy a new GT today!

Bob,
Sorry to hear about the death of a good friend. Having ridden with you, I think that Coni's theory of "full out across Nevada" may have some validity, BSEG! When I was at the Portland dealer the other day they asked how you and the bike were doing. I guess I'll have to tell them the sad news.
I am only at 138K on mine so I guess that I have got at least 50K more to go. The LT will probably never get there though because it has been pushed aside in the garage by the GT which already has 11,000 miles on her. I highly recommend the GT as an LT alternative!
Jeff
"MitchRider"
Sep 11th, 2006 10:05 am
ltcommuter
You guys would be right if...

Quote:
Originally Posted by KMC1
Totally agree with you, it could just be a holed piston or a cracked ring. For the amount of money spent on buying a junk engine and shipping it, plus trying to get it running right, you could do a total rebuild on the blown one. Too bad there's not enough room to stroke it out to 1500 or so while you're at it....
Plus after all that work you really don't know what you've got with the junk one, and could end up ripping that one out in 6 months or whatever.
Just my .02
If my bike was relatively new and had a reasonable number of miles I would agree with the wait and see approach. That's not the case. The engine is 6 years old and has 183k miles on the odo. If I were to repair rather than replace I think it would be prudent to replace all four pistons and related pieces. Pricing that out comes to about $1500. A replacement engine with only 30k miles on the odo (mine just started to loosen up around 30k) will cost $1500. Then add the labor which, according to educated guesses at SJBMW, would be more for the repair than a straight across replacement and all in all I think I'll have a bike that will last until the new models come out. That's my real goal otherwise I'd just go and buy a new GT today!

Anyway, the replacement engine will be on it's way from Florida sometime in the next couple of days so I should be back on the road in a couple of weeks. Thanks God for that since the commute via cage is killing me.

Cheers!
Sep 10th, 2006 9:23 am
KMC1
Quote:
Originally Posted by MLHAYES
I've seen engines from K1200LTs on ebay, also many parts from time to time. There are none right now, but there're out there.....

Look on the bright side (if there is one) at least this didnt happen in MAY !

my theory is play the whole hand, and see what comes up, ie, find out if YOUR engine is salvagable before spending a bundle on another, could be more simple than first guess .......

Mike
Totally agree with you, it could just be a holed piston or a cracked ring. For the amount of money spent on buying a junk engine and shipping it, plus trying to get it running right, you could do a total rebuild on the blown one. Too bad there's not enough room to stroke it out to 1500 or so while you're at it....
Plus after all that work you really don't know what you've got with the junk one, and could end up ripping that one out in 6 months or whatever.
Just my .02
Sep 10th, 2006 8:17 am
tmgs
Quote:
Originally Posted by ltcommuter
Thanks for the lead. I didn't know about these guys but they don't happen to have an LT at the moment.

I did get a PM from Hans (aka: SilverBuffalo) with an offer to sell the engine from his 2002 bike which was crashed during a disagreement with an Elk in Idaho last May.

Does anyone know the approximate cost of shipping an engine from Florida to San Jose?

Cheers!
all I can say is shop around every carrier, I've seen heavy large items ship from 130 bucks to 900 around the country

get a weight and size measurement, sometimes it's cheaper to have it sent to a bussiness than your home
or pick it up from a hub, make sure you have a way to load it by asking if they will load it for you. my lift only came from fl 130 bucks, a sewing machine was almost a grand from wisconsin, the lift was bigger

Tom
Sep 9th, 2006 8:25 pm
MLHAYES
Rip

I've seen engines from K1200LTs on ebay, also many parts from time to time. There are none right now, but there're out there.....

Look on the bright side (if there is one) at least this didnt happen in MAY !

my theory is play the whole hand, and see what comes up, ie, find out if YOUR engine is salvagable before spending a bundle on another, could be more simple than first guess .......

Mike
Sep 9th, 2006 8:07 pm
dshealey
Quote:
Originally Posted by black1200lt
,
Bob,

See, It's the "Nevada theory" at full throttle.

Did you Name your bike Sugar Rae, George Foreman, Rocky Marciano or something stupid like that?

NEVER take a fighter back to Nevada, they honestly think they still belong there.

I will be much more careful naming my bike next time.
That was a good one Coni!
Sep 9th, 2006 7:32 pm
oknplm Don't know if it will help but you may want to try this place. http://www.cyclesrecycled.com/ They have a couple of LT's they are parting out but I don't know if they have a complete engine. They are a good source if you like to modify OEM parts and don't want to experiment on your original equipment. Good Luck!


May we never find the end of the road!

Perry Ridgway

oknplm
Sep 9th, 2006 6:54 pm
ltcommuter
replacement engine

Quote:
Originally Posted by kflanigan
Also check: www.crashedtoys.com

They often have something. If you find something, I may be able to run over and check it out.

Good Luck!
Thanks for the lead. I didn't know about these guys but they don't happen to have an LT at the moment.

I did get a PM from Hans (aka: SilverBuffalo) with an offer to sell the engine from his 2002 bike which was crashed during a disagreement with an Elk in Idaho last May.

Does anyone know the approximate cost of shipping an engine from Florida to San Jose?

Cheers!
Sep 8th, 2006 11:44 pm
mjordans2000
Quote:
Originally Posted by eljeffe
Try www.beemerboneyard.com -- they support the site
I agree, Beemerboneyard has done a great job for me on several purchases. Michael is great to work with and will let you know when an item comes in if he doesn't currently have one. As Jeff says, he is a supporting vendor as well.
Sep 8th, 2006 6:37 pm
kflanigan Also check: www.crashedtoys.com

They often have something. If you find something, I may be able to run over and check it out.

Good Luck!
Sep 8th, 2006 3:28 pm
black1200lt ,
Quote:
Originally Posted by ltcommuter
Yes, Scott at Sierra BMW sends his regards...

Cheers!
Bob,

See, It's the "Nevada theory" at full throttle.

Did you Name your bike Sugar Rae, George Foreman, Rocky Marciano or something stupid like that?

NEVER take a fighter back to Nevada, they honestly think they still belong there.

I will be much more careful naming my bike next time.

Give my whole surrogate family a group hug and tell them that I miss them all...just not enough to repeat.
Sep 7th, 2006 10:22 pm
jeffklt Sorry to hear it Bob. The rest of the bike is set up so nicely I can understand your desire to replace the motor. Hope you are back on the road soon.
Sep 7th, 2006 8:58 pm
tmgs
Quote:
Originally Posted by ltcommuter
After 183k miles my engine gave up the ghost.

Cheers!

sorry to hear that, I have 126 k on my '02 want to buy the whole bike <g> it has a extended good till 08/09
that's three more years (ok just about)

hehehe, really though I may just keep her around I really liked it today in the pouring down rain
Sep 7th, 2006 4:31 pm
early1
Ditto

Quote:
Originally Posted by grifscoots
Ah Bob, what a bummer man! Here's to a speedy recovery for your bike.
Was good seein ya @CCR, sorry about the death in the family.
Sep 7th, 2006 3:16 pm
ChiefMn oops it's $677.00 buy it now plus $170.00 shipping.#270026335130
Sep 7th, 2006 2:52 pm
grifscoots Ah Bob, what a bummer man! Here's to a speedy recovery for your bike.



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Sep 7th, 2006 2:51 pm
ChiefMn there's one from an 05 on E bay for buy it now $644.00
Sep 7th, 2006 2:46 pm
eljeffe
Quote:
Originally Posted by ltcommuter
After 183k miles my engine gave up the ghost. It almost got me back from CCR but decided that Fallon, Nevada was as far as it would go. I rented a truck and hauled it back to San Jose BMW yesterday.

Does anyone know of a low mileage salvage engine (preferably the 116 hp version) for sale? My dealer thinks that the 116 hp engine will work on 2000 LT. Does anyone have a contrary opinion or is this a known fact.

Cheers!
Try www.beemerboneyard.com -- they support the site
Sep 7th, 2006 2:35 pm
DavidTaylor Sorry to hear abour that Bob; that just plain Sucks!! I'm glad nothing worse happened other than being stuck on the road. Sometimes when those engines let go they like dumping their oil all over the road so the back tire can have fun rolling through it.

Doesn't Chris still have a couple of new LTs sitting on the floor??
Sep 7th, 2006 1:35 pm
messenger13 I dunno...
I bought a piece from Deep 6 and it came quickly and it was what he said it was. But he is a boneyard man, 'nuff said. Before buying a motor from him, I'd have to talk to him on the phone.
Sep 7th, 2006 1:31 pm
zaphod I would avoid Deep 6 auctions after recently talking to them about a lower fairing. He had it listed as in good condition with minor scratches listed for $299 (they are $313 new). I emailed him to ask about the price and he responded with oops, sorry how about $150. When I zoomed in on the photo, I could tell at least one, probably two tabs were broken. I emailed back to get clarification and he stopped answering.
Just be warned.
Sep 7th, 2006 12:51 pm
RMoore007 What did you do to that nice bike? I remember riding your bike at Breckenridge and it seemed just fine to me. Of course you only had a measly 100k on it then.
Sep 7th, 2006 12:36 pm
KBandit condolences, bob ... but at least you got back safe and sound. i'll bet you've got some stories to tell for our next lunch get together.

were you riding with rasters?
Sep 7th, 2006 12:34 pm
ltcommuter
Quote:
Originally Posted by scottydawg
Well that certanly means at least for a short time you were in a place you didn't want to be I guess
I thought of you as I was standing on the side of the road wondering what to do next...

Cheers!
Sep 7th, 2006 12:27 pm
scottydawg Well that certanly means at least for a short time you were in a place you didn't want to be I guess
Sep 7th, 2006 12:26 pm
ltcommuter
Quote:
Originally Posted by ustasub
Bob,
Deep 6 auctions has one for an 01, he usually has more.
http://cgi.ebay.com/ebaymotors/BMW-K...6201QQtcZphoto
Thanks, I saw that one butt thought he wanted too much for such an old engine. They've sold for around $1500 on eBay.

I also have inquires out with most of the on-line recyclers today. I also need to call a bunch of them that are not on-line. Still hoping for a 2005!

Cheers!
Sep 7th, 2006 12:21 pm
ltcommuter
Quote:
Originally Posted by black1200lt
Gee, I heard of that happening *somewhere* once before.
Yes, Scott at Sierra BMW sends his regards...

Cheers!
Sep 7th, 2006 12:19 pm
ustasub
Quote:
Originally Posted by ltcommuter
After 183k miles my engine gave up the ghost. It almost got me back from CCR but decided that Fallon, Nevada was as far as it would go. I rented a truck and hauled it back to San Jose BMW yesterday.

Does anyone know of a low mileage salvage engine (preferably the 116 hp version) for sale? My dealer thinks that the 116 hp engine will work on 2000 LT. Does anyone have a contrary opinion or is this a known fact.

Cheers!
Bob,
Deep 6 auctions has one for an 01, he usually has more.
http://cgi.ebay.com/ebaymotors/BMW-K...6201QQtcZphoto
Sep 7th, 2006 12:04 pm
black1200lt
Quote:
Originally Posted by ltcommuter
We don't yet know what happened but the symptom is thick blue smoke belching from the exhaust and only three cylinders are running.
Gee, I heard of that happening *somewhere* once before.

Congrats on your BBG Gold 3000, at least yours had the good manners to break after the ride. You would think that I would have trained my bike better.
Sep 7th, 2006 11:46 am
amarider You finally Baconized an Engine. Sorry to hear that Bob, looks like your iron Butt outlasted the LT. I'll ask around A&S to see if they have any leads today.
Sep 7th, 2006 11:41 am
messenger13 I've got an '02 engine. It comes with the rest of the LT as well.
Sep 7th, 2006 11:40 am
ltcommuter
Dunno what is wrong

We don't yet know what happened but the symptom is thick blue smoke belching from the exhaust and only three cylinders are running. Too much smoke to just be a valve. Chris at SJBMW thinks it's a cracked piston or disintegrated rings with likely damage to the block. He has only ever seen this kind of damage to a K12 engine once before. It's pretty rare butt then, it's my bike and Murphy is alive and well.

If I'm looking at a new block and new pistons etc., we're talking enough bucks to get a whole engine from eBay or a recycler.
Sep 7th, 2006 11:35 am
Rayo Might try here www.ridesafely.com They have actions around the country of wrecked and stolen bikes. Many times the engine and trans are all that are really salvagable. Yes I have seen a LT in their listings a few times.
Sep 7th, 2006 11:20 am
whtmtn2000 I've seen salvage engines on Ebay listed under K1200LT.
Good Luck!
Sep 7th, 2006 11:09 am
ltcommuter
R I P

After 183k miles my engine gave up the ghost. It almost got me back from CCR but decided that Fallon, Nevada was as far as it would go. I rented a truck and hauled it back to San Jose BMW yesterday.

Does anyone know of a low mileage salvage engine (preferably the 116 hp version) for sale? My dealer thinks that the 116 hp engine will work on 2000 LT. Does anyone have a contrary opinion or is this a known fact.

Cheers!

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