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Username Post: Oil pressure sender 03 Avalanche        (Topic#366482)
Crusty66 
"9th Year" Gold Supporting Member
Posts: 428
Crusty66
Age: 61
Loc: Albany, eNZed
Reg: 11-04-12
09-22-21 11:39 AM - Post#2827697    

Hi, on an LM7 5.3, how do you change the oil pressure sender? does the inlet manifold need to be removed? I can't get my hand down to where it is at the back of the block.

Steve
1966 Caprice 396 496 496mkII TH400
'03 Avalanche 1500 RHD


 
someotherguy 
Senior Moderator
Posts: 29499
someotherguy
Loc: Texas
Reg: 08-01-03
09-23-21 05:01 AM - Post#2827757    
    In response to Crusty66

You can get back there without taking anything apart other than the plastic cover, it's just not fun. A socket, extension, and maybe a u-joint will help. You're working mostly by braille, and you'll scratch your hand and wrist up for sure. I did one on my wife's truck (06 Silverado 6.0) not long ago.

Richard

06 Silverado ISS / 06 Silverado SS / 06 300C SRT8


 
Crusty66 
"9th Year" Gold Supporting Member
Posts: 428
Crusty66
Age: 61
Loc: Albany, eNZed
Reg: 11-04-12
09-23-21 01:52 PM - Post#2827813    
    In response to someotherguy

Thanks Richard. I'll give it a go!

Mine is further complicated by being a right hand drive conversion, so the A/C hoses are swapped to the left side near where the pcv valve is - about where my hand will be going!

Steve
1966 Caprice 396 496 496mkII TH400
'03 Avalanche 1500 RHD


 
someotherguy 
Senior Moderator
Posts: 29499
someotherguy
Loc: Texas
Reg: 08-01-03
09-23-21 03:16 PM - Post#2827823    
    In response to Crusty66

Yeah; all bets are off for "standard procedure" when you have a modification that major! Best of luck and let us know how you do with it. At least I can verify the job is possible as I described on a normal production LHD model as I've done it myself fairly recently.

It will probably at least give you some visual reference to look at pictures on the web of the sensor's location and the harness clip design so you can correlate that to feel once you start reaching down in there. There are also a number of write-ups on doing the job but it may vary a bit from year to year and also generation (the 2007-up trucks have it in the same spot but accessories and bracketry may pose somewhat different obstacles.)

Richard

06 Silverado ISS / 06 Silverado SS / 06 300C SRT8


 
gkralik3645 
"8th Year" Silver Supporting Member
Posts: 323
gkralik3645
Loc: omaha
Reg: 12-05-13
09-25-21 06:05 AM - Post#2827924    
    In response to Crusty66

From experience, go to youtube and watch someone else do it a couple of times before you try it. It is not an easy task.

Also I would suggest you get something thick, like a small rug or maybe some thick cardboard to lay on the top of the engine, so that you can lay on it yourself as you reach clear back to the rear of the engine to get to it. Make sure the engine is cool since you will more than likely be laying on it and don't want to burn your stomach.

George




 
Crusty66 
"9th Year" Gold Supporting Member
Posts: 428
Crusty66
Age: 61
Loc: Albany, eNZed
Reg: 11-04-12
09-25-21 03:51 PM - Post#2827949    
    In response to gkralik3645

Well, I got into it and it was really quite easy. Only a couple of bits of skin missing

Had to go and buy an 1 1/16" deep socket, but took less than 1/2 hour to do.

Steve
1966 Caprice 396 496 496mkII TH400
'03 Avalanche 1500 RHD


 
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