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05-26-2010, 07:13 PM
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#1
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Junior Member
Workhorse Chassis Owner
Join Date: May 2010
Posts: 27
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Oil pressure sender location on an 8.1?
Hello Everyone,
My Name is Bob and this is my first post to this forum. I have a 2007 Fleetwood Terra LX motorhome on a 2006 W20 workhorse chassis with the 8.1 big block.
I am having a problem with a false low oil pressure warning. It has been suggested to check the connection on the sending unit, my problem is I am unable to find the sending unit.
I have a 1967 Corvette with a 427 big block and the oil pressure line for the mechanical guage is on the left side of the motor above the oil filter. I looked on the 8.1 and it is not there. Any help with finding it is greatly appreciated.
Thanks.
Bob
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05-26-2010, 09:25 PM
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#2
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Moderator Emeritus
Winnebago Owners Club Workhorse Chassis Owner Coastal Campers Carolina Campers
Join Date: Jan 2000
Location: Conway, SC
Posts: 23,641
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Quote:
Originally Posted by doubleB
Any help with finding it is greatly appreciated.
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Bob, Remove the doghouse. The Oil Pressure Sensor is located on top of the engine block and to the rear of the engine. Look just forward of the bellhousing. Slightly left of center looking from the rear to the front.
Note:
23. Apply sealant GM P/N 12346004 or equivalent to the threads of the oil pressure sensor.
24. Install the oil pressure sensor.
Tighten Using the J 41712, tighten the oil pressure sensor to 30 Nm (22 lb ft).
__________________
03 Adventurer 38G, Workhorse W22
F&R Track Bars, Safety+ , Ultrapower, Taylor Extremes, SGII
TST 507, Blue Ox, SMI, Koni FSD, CrossFire
RV/MH Hall of Fame - Lifetime Member
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05-27-2010, 07:33 AM
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#3
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Community Moderator
Winnebago Owners Club Freightliner Owners Club
Join Date: Dec 2003
Location: Weyauwega, WI US
Posts: 8,641
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Bob;
Welcome to iRV2. We are glad you joined us. If you have not already done so I would like to encourage you to go up to the New Member Check In and introduce your self so more of our members get to know you.
Don
__________________
Don & Bev Morgan Weyauwega WI, 05 Itasca Horizon 40KD, 400 HP Cummins, Adopted by a great couple, Toad 07 Saturn Vue AWD, Air Force One, TST 510 TPMS, Mayor of Weyauwega 2007 - 2013, Waupaca Co Board Supervisor 2010 - 2014
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05-27-2010, 09:28 AM
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#4
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Senior Member
Workhorse Chassis Owner Triple E Owners Club
Join Date: Nov 2004
Location: Williams Lake,BC Canada
Posts: 1,230
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Make sure that you are not using a Fram oil filter. It can cause a low oil pressure warning at higher RPMs.
__________________
2020 Triple E Wonder RTB
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05-27-2010, 05:13 PM
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#5
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Senior Member
Join Date: Sep 2007
Location: dagray
Posts: 158
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How can a Fram oil filter cause low oil presure? I just installed one yesterday.
Don
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05-27-2010, 06:21 PM
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#6
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Senior Member
Workhorse Chassis Owner
Join Date: May 2003
Location: Lakewood Ohio
Posts: 568
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search this forum for 8.1 OIL PRESSURE and you will find out how.
__________________
WIT# 34347
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05-27-2010, 06:42 PM
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#7
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Junior Member
Workhorse Chassis Owner
Join Date: May 2010
Posts: 27
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DriVer,
Thanks for the info, that is just what I was looking for.
Petro,
Thanks for the welcome. I looked to see how to do the New Member Check In but I cannot find how to do it. Any Hints?
JCM,
I am not a fan of Fram filters, I use the GM OE filter AC Delco PF454 and 5w30 Mobil1 synthetic oil althought since the coach is out of warranty and the Napa/Wix filters are highly rated I might switch.
dagray,
This is a personal opinion but I have cut open a Fram filter and an AC Delco filter both filters were for the 8.1 and the Fram is inferior. The filter media end panels were made of cardboard and the bypass plate on the inner end was cheaply made. Here is a link from this forum that talks about the low oil pressure at high RPM caused by Fram filters
http://www.irv2.com/forums/f22/8-1-o...ure-66074.html
Thanks everyone. I think I am going to like this forum.
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05-28-2010, 04:41 PM
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#8
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Moderator Emeritus
Winnebago Owners Club Workhorse Chassis Owner Coastal Campers Carolina Campers
Join Date: Jan 2000
Location: Conway, SC
Posts: 23,641
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Quote:
Originally Posted by doubleB
DriVer, Thanks for the info, that is just what I was looking for.
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doubleB, You're welcome sir!
__________________
03 Adventurer 38G, Workhorse W22
F&R Track Bars, Safety+ , Ultrapower, Taylor Extremes, SGII
TST 507, Blue Ox, SMI, Koni FSD, CrossFire
RV/MH Hall of Fame - Lifetime Member
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05-29-2010, 08:41 PM
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#9
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Junior Member
Workhorse Chassis Owner
Join Date: May 2010
Posts: 27
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Here is an update.
I removed the doghouse cover and checked the connector on the oil pressure sender and it was loose. I pushed it back on till it locked and no more false warnings.
I still might put in a mechanical oil pressure guage.
DriVer, again, thanks for the info.
Bob
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05-29-2010, 08:47 PM
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#10
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Moderator Emeritus
Winnebago Owners Club Workhorse Chassis Owner Coastal Campers Carolina Campers
Join Date: Jan 2000
Location: Conway, SC
Posts: 23,641
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Quote:
Originally Posted by doubleB
DriVer, again, thanks for the info.
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Bob, Anytime!
__________________
03 Adventurer 38G, Workhorse W22
F&R Track Bars, Safety+ , Ultrapower, Taylor Extremes, SGII
TST 507, Blue Ox, SMI, Koni FSD, CrossFire
RV/MH Hall of Fame - Lifetime Member
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