BMW K bikes (Bricks)

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1Back to top Go down   Oil Light Empty Oil Light on Thu Dec 12, 2013 7:22 pm

klamityboy

klamityboy
Gold member
Gold member
I noticed today that the oil light in the instrument cluster was faintly lit today. Here are some datsa points:
- instrument light bulbs upgraded to LED
- oil changed 2500km ago
- oil still visible in middle of sight glass

My question is if the sensor is starting to fail or if this is symptomatic of something else?


__________________________________________________
Klamityboy
1991 K75RT-P

Model Description: K 75RT
Market: Europe
Type: 0565
E-Code: K569
Engine: 3_ZYL - 0,70l (55kW)
Transmission: Manual
Body Color: Polizeiweiss
Production Date: 30.08.1990
    

2Back to top Go down   Oil Light Empty Re: Oil Light on Thu Dec 12, 2013 7:33 pm

Inge K.

Inge K.
VIP
VIP
I would guess you find the problem at the sensor, or a partially shorted (to ground) wire
between the sensor and the cluster.....disconnect the switch to check.
But if high mileage/unknown history, it won't hurt to have the pressure checked.


__________________________________________________
Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

3Back to top Go down   Oil Light Empty Re: Oil Light on Thu Dec 12, 2013 8:54 pm

charlie99

charlie99
VIP
VIP
wonder if the cable to the sensor has been crushed somewhere .....?
maybe through the timing cover to the HES (hall effect sensors)  ?


__________________________________________________
cheezy grin whilst riding, kinda bloke ....oh the joy !!!! ...... ( brick aviator )

'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%OOil Light Au-log10

"redframe" rs "bitsa"  with many contributions from the k100 community ,,with many thanks
    

4Back to top Go down   Oil Light Empty Re: Oil Light on Fri Dec 13, 2013 5:29 pm

klamityboy

klamityboy
Gold member
Gold member
Another Data Point.

Yesterday was raining quite hard when the light was faintly lit. Subjectively the light seemed to grow in intensity but was never 100% on. Today is dry and no light. I am thinking this is pointing towards the connection between the wire and sensor, or just the sensor.

Thoughts?


__________________________________________________
Klamityboy
1991 K75RT-P

Model Description: K 75RT
Market: Europe
Type: 0565
E-Code: K569
Engine: 3_ZYL - 0,70l (55kW)
Transmission: Manual
Body Color: Polizeiweiss
Production Date: 30.08.1990
    

5Back to top Go down   Oil Light Empty Re: Oil Light on Fri Dec 13, 2013 5:49 pm

Inge K.

Inge K.
VIP
VIP
I would guess that the moisture have partially shorted the connector(s) at the sensor.
Clean the outside of the sensor, give the connectors a sqiurt of WD40 (or similar),
put back the rubber cap...wait for the next shower...or use the garden hose.


__________________________________________________
Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

6Back to top Go down   Oil Light Empty Re: Oil Light on Fri Dec 13, 2013 6:06 pm

klamityboy

klamityboy
Gold member
Gold member
@Inge K. wrote:I would guess that the moisture have partially shorted the connector(s) at the sensor.
Clean the outside of the sensor, give the connectors a sqiurt of WD40 (or similar),
put back the rubber cap...wait for the next shower...or use the garden hose.

Any thoughts on dielectric grease in the rubber cap after the connectors are cleaned?


__________________________________________________
Klamityboy
1991 K75RT-P

Model Description: K 75RT
Market: Europe
Type: 0565
E-Code: K569
Engine: 3_ZYL - 0,70l (55kW)
Transmission: Manual
Body Color: Polizeiweiss
Production Date: 30.08.1990
    

7Back to top Go down   Oil Light Empty Re: Oil Light on Fri Dec 13, 2013 6:18 pm

Guest

avatar
Guest
LED bulbs sometimes glow when used in a circuit with an earthed on/off switch such as the oil pressure one. I have LED interior lights fitted to my car and sometimes they glow at night. I think that because they need so little power, they can find a slight earth just from moisture in the air.
I don't think that there is anything wrong with your oil system at all.

    

8Back to top Go down   Oil Light Empty Re: Oil Light on Fri Dec 13, 2013 6:24 pm

Inge K.

Inge K.
VIP
VIP
D.e.grease could be a good idea where the i.d. of the rubber cap contacts the sensor,
and where the wire enters the rubber cap.....used sparingly.

Dielectric grease often makes more problems that it solves, if you use to much of it...


__________________________________________________
Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

9Back to top Go down   Oil Light Empty Re: Oil Light on Fri Dec 13, 2013 6:43 pm

klamityboy

klamityboy
Gold member
Gold member
Thanks Bikerboy and Inge. Will clean the sensor and contact and will monitor.


__________________________________________________
Klamityboy
1991 K75RT-P

Model Description: K 75RT
Market: Europe
Type: 0565
E-Code: K569
Engine: 3_ZYL - 0,70l (55kW)
Transmission: Manual
Body Color: Polizeiweiss
Production Date: 30.08.1990
    

10Back to top Go down   Oil Light Empty Re: Oil Light on Fri Dec 13, 2013 7:44 pm

RicK G

RicK G
VIP
VIP
Salting the roads can cause problems like this as the salt causes a connection if it isnt cleaned off or gets under the rubber cap.


__________________________________________________
"Man sacrifices his health in order to make money.
Then he sacrifices money to recuperate his health.
And then he is so anxious about the future that he does not enjoy the present; the result being that he does not live in the present or the future; he lives as if he is never going to die, and then dies having never really lived."   Dalai Lama


Bikes 1993 K1100 LT, 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki X 2 for now
    

11Back to top Go down   Oil Light Empty Re: Oil Light on Fri Dec 13, 2013 8:26 pm

klamityboy

klamityboy
Gold member
Gold member
@RicK G wrote:Salting the roads can cause problems like this as the salt causes a connection if it isnt cleaned off or gets under the rubber cap.

The roads have been sprayed with brine recently as temperatures approach freezing.


__________________________________________________
Klamityboy
1991 K75RT-P

Model Description: K 75RT
Market: Europe
Type: 0565
E-Code: K569
Engine: 3_ZYL - 0,70l (55kW)
Transmission: Manual
Body Color: Polizeiweiss
Production Date: 30.08.1990
    

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