6cyl oil temp/press sender question, what is this in foto? |
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6cyl oil temp/press sender question, what is this in foto? |
ein 6er |
Aug 17 2003, 04:49 PM
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#1
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Senior Member Group: Benefactors Posts: 1,115 Joined: 11-February 03 Member No.: 300 Region Association: None |
this foto is from the clymer manual. what is the sensor in the box? it is on the crankcase breather cover. it has 2 connections, red/white and red wires.
the exploded views don't show it. #s appear to be 911- (4?) 517-117(111?)-00 stock -6 gauges. i pulled the wires with car running and saw nothing happen on the gauge. TIA!! doug Attached thumbnail(s) |
TimT |
Aug 17 2003, 05:07 PM
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#2
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retired Group: Members Posts: 4,033 Joined: 18-February 03 From: Wantagh, NY Member No.: 313 |
I think its a sensor for the FI thermo time switch....i have been wrong before and will be again...
someone told me that sensor had something to do with MFI or CIS...If you have carbs..... its aint for nuttin |
tryan |
Aug 17 2003, 05:08 PM
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#3
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Senior Member Group: Members Posts: 553 Joined: 22-January 03 From: smokey mountains gatlinburg tn Member No.: 184 |
idono. the mechanical injected 72 has the sending unit for the oil pressure gage right behind that plate. earlier mechanical pumps had multiple solenoids. what length are the wires? later 6's had the sender on the fan end for oel zuck.
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ein 6er |
Aug 17 2003, 05:57 PM
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#4
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Senior Member Group: Benefactors Posts: 1,115 Joined: 11-February 03 Member No.: 300 Region Association: None |
thanks!
the clymer foto is of the stock carbed 6. the wires come out of the factory harness, right by it. the oil pressure switch is in the lower right. doug |
tryan |
Aug 17 2003, 06:04 PM
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#5
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Senior Member Group: Members Posts: 553 Joined: 22-January 03 From: smokey mountains gatlinburg tn Member No.: 184 |
that sender looks like an idiot light sender in the photo. i think the FBI has put a transponder on your car.
a recent post listed all the sender and gauge combo's. i think karl started the thread. edit....no you started the thread? is that # not on the list? |
ein 6er |
Aug 18 2003, 04:27 PM
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#6
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Senior Member Group: Benefactors Posts: 1,115 Joined: 11-February 03 Member No.: 300 Region Association: None |
anyone else want to take a guess at this?
so far i've ruled out the transponder theory!! (IMG:style_emoticons/default/laugh.gif) i'm going to add a 911 oil temp/press gauge. where does the pressure sender go. thanks, doug |
elmonte |
Aug 18 2003, 04:50 PM
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#7
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Member Group: Members Posts: 225 Joined: 31-March 03 From: Danville.ca Member No.: 499 |
I have the wires for this thing in my car but have no evidence of anything on the case breather?
MY pressure sender is mounted in the port right uder the serial number in your picture where it looks like the temp sender is mounted. My temp sender is up front by the cam oiling line. |
elmonte |
Aug 18 2003, 05:32 PM
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#8
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Member Group: Members Posts: 225 Joined: 31-March 03 From: Danville.ca Member No.: 499 |
Made that last post from memory , bad to start with and worse with age
Had it ass-backward, temp sender back by the breather and pressure sender up front, wher the cam oil line comes out of the case under the fan....... |
tryan |
Aug 18 2003, 05:38 PM
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#9
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Senior Member Group: Members Posts: 553 Joined: 22-January 03 From: smokey mountains gatlinburg tn Member No.: 184 |
the only thing on the pelican diagrams that comes close to red/white is the WUR for the continuous injection system phase of motor production. ( warm up regulator ). anybody running CIS?
what is the number on your case? if it's a 7R the mechanical oil pressure sender goes down by the crank fan pulley. elmonte, what year is your block. they moved/swapped sensor positions in 74-75? |
elmonte |
Aug 18 2003, 05:42 PM
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#10
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Member Group: Members Posts: 225 Joined: 31-March 03 From: Danville.ca Member No.: 499 |
71 case #6414019
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ein 6er |
Aug 18 2003, 05:53 PM
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#11
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Senior Member Group: Benefactors Posts: 1,115 Joined: 11-February 03 Member No.: 300 Region Association: None |
thanks,
"i think" ... you had it right the 1st time, that's the way the exploded views show it. i pulled the wire off of the sender in the lower right of the foto, (pressure switch), and the idiot light came on. i pulled the wire off the sender up front by the fan, and the temp gauge bounced. hmmm .... ok guys .... don't make me take this over to the 911 board!! (IMG:style_emoticons/default/laugh.gif) doug |
ein 6er |
Aug 18 2003, 06:02 PM
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#12
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Senior Member Group: Benefactors Posts: 1,115 Joined: 11-February 03 Member No.: 300 Region Association: None |
ok .... that same foto is in my 70 914-6 manual.
buuuuuut ..... my engine is actually a carbed '67 2.0, alum case. i don't know if the breather case was transfered from the original engine. doug |
elmonte |
Aug 18 2003, 06:03 PM
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#13
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Member Group: Members Posts: 225 Joined: 31-March 03 From: Danville.ca Member No.: 499 |
My oil pressure sending unit is definitely up front by the fan
Page #27 in Wayne Dempsey's Porsche 911 engines rebuild manual |
elmonte |
Aug 18 2003, 06:10 PM
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#14
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Member Group: Members Posts: 225 Joined: 31-March 03 From: Danville.ca Member No.: 499 |
The question is does it really make a deference
Any port in a storm! |
ein 6er |
Aug 18 2003, 06:12 PM
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#15
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Senior Member Group: Benefactors Posts: 1,115 Joined: 11-February 03 Member No.: 300 Region Association: None |
elmonte, i have wayne's book also. but i don't see a foto of a breather housing like this.
it's not in the factory exploded views either. thanks, doug |
elmonte |
Aug 18 2003, 06:17 PM
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#16
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Member Group: Members Posts: 225 Joined: 31-March 03 From: Danville.ca Member No.: 499 |
Page # 27 is a picture of where my oil pressure switch is located fig.2-15
It says at the rear of the motor but you have to turn that around for our 914's |
ein 6er |
Aug 18 2003, 06:36 PM
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#17
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Senior Member Group: Benefactors Posts: 1,115 Joined: 11-February 03 Member No.: 300 Region Association: None |
ok ... p. 27, is that the temp sender below and the press sender above? do you have the switch by the breather?
p. 137, fig. 3-35 shows the switch. read the the paragraph above, about switch/sender. (IMG:style_emoticons/default/confused24.gif) thanks, doug |
elmonte |
Aug 18 2003, 06:44 PM
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#18
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Member Group: Members Posts: 225 Joined: 31-March 03 From: Danville.ca Member No.: 499 |
UP by the fan is the sender for the pressure guage and the other sender up front is for the
idiot or low pressure light .. I think!! there for i am |
elmonte |
Aug 18 2003, 06:49 PM
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#19
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Member Group: Members Posts: 225 Joined: 31-March 03 From: Danville.ca Member No.: 499 |
MY car must be ass-backwards, i have a seperate wire outside of the wiring harness
going from the sender back by the case breather to the 911 temp guage in the dash. |
meursault |
Aug 18 2003, 11:11 PM
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#20
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Idjit Savant Group: Members Posts: 290 Joined: 26-February 03 From: San Diego, CA Member No.: 355 |
The sensor in question is a thermo-time switch or something of that regard, I believe. If I'm correct, it's basically a sensor that will aid the carburetor in warming up if you had all the factory devices in place (Most 914-6 owners apparently tossed these years ago).
Sensors that affect gauge readings for oil temp and oil pressure are usually green/red (oil pressure) and green/black (oil temperature). The oil pressure sensor is usually near the flywheel; the oil temp sensor is usually off the chain housing. |
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