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Old Oct 31, 2019 | 12:42 AM
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Default Crappy oil sensor replacement claims

Dude I watched all the videos, have all the tools - there is NO WAY to get down to that fuc*ker without cutting or removing IM.

So: How many hours have y’all gotten charged to replace this thing - or better yet - relocate and replace? 120mile DD - 7 days a week - I cant be DIY’n the “right way”.

another thought - if I’m going to pay someone to take this all apart - what other **** should I have them do along the way?

thank you from a frustrated 1st time C5 owner
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Old Oct 31, 2019 | 12:51 AM
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kinda like the 18 minute hazard switch replacement costs more than its worth to pay someone to do it

just do the relocate, you can buy a kit or there are instructions on what you need to assemble a kit yourself and be done with it...when I had my motor redone I made sure I had the sensor relocated

leave the old one in there and run the wires to the new one
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Old Oct 31, 2019 | 12:53 AM
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did you see this one? https://www.corvetteforum.com/forums...post1575200160
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Old Oct 31, 2019 | 03:51 AM
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or watch this one? Does not seem that hard to change.

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Old Oct 31, 2019 | 05:11 AM
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I went with this relocation https://www.dpecorvettes.com/oil-pre...elocation.html
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Old Oct 31, 2019 | 08:22 AM
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Originally Posted by laurent_zo6
or watch this one? Does not seem that hard to change.

https://www.youtube.com/watch?v=RSVko7B5zNM
yea I did. Believe me this is bullsh*t!
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Old Oct 31, 2019 | 08:39 AM
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Originally Posted by Scdynachopper
yea I did. Believe me this is bullsh*t!


It's WAY too easy to break off the locking tabs of the electrical plug, when using those tools, ESPECIALLY on cars that are as old as the C-5s now are. Also, unless you have exceptionally small hands, and even if you manage to get the connector unplugged, and the old sensor out, there's just no way you're going to be able to reach in there, and get the new sensor threaded in PROPERLY. Consider this....cross thread the new sensor, into an aluminum engine block, and you'll have a LOT more issues than just an oil pressure gauge that reads wonky.

I'm currently 67 and retired, so I have the luxury of time, as well as a TON of tools, and 50 years experience at "back yard wrenching". My AIR system check valves were acting up, a couple of years ago, and since they're pretty well buried, you need to remove the intake manifold to get at them. Since I was already doing that, I replaced the oil pressure sender, "just because.

I have to admit, removing the intake manifold, while a little tedious, wasn't all that big of a job. It's significantly easier because there isn't a water crossover, like the older, small block Chevy engines. If you have an array of tools, and some automotive skills, it can be done in an afternoon.....
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Old Oct 31, 2019 | 09:23 AM
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I agree with Leadfoot, so many things can go wrong doing it without removing the intake.
I did it the right way, wasn't bad at all to do.
I also suggest doing the relocate kit and tuck it under the cover.
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Old Oct 31, 2019 | 09:33 AM
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I removed the wipers and the big plastic cowl/cover thing, then cut a hole in the fiberglass above the sensor and got a socket down there. The cutting of the hole was way harder than replacing the sensor. If it ever fails again it'll be 15 mins.
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Old Oct 31, 2019 | 10:04 AM
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Originally Posted by pjdbm
I agree with Leadfoot, so many things can go wrong doing it without removing the intake.
I did it the right way, wasn't bad at all to do.
I also suggest doing the relocate kit and tuck it under the cover.
I agree with this. Not a difficult process at all.
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Old Oct 31, 2019 | 10:30 AM
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You can literally have the intake manifold off of a C5 Corvette in about 15 minutes if you have all your tools laid out. It's literally so easy, I wouldn't even monkey with one of those relocation kits and I myself would not even entertain the idea of boring holes in the cowl.
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Old Oct 31, 2019 | 11:00 AM
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When I did mine, I had printed out a step by stem intake removal, looking at the directions and doing it step by step it took me 50 minutes to remove the Intake. Most of that time was in two areas; one was bleeding the pressure from the gas line I followed the outline below (skipping step 1 up to moving the air bridge but did it the hard way and had a little gas leak. and the other was step 6, Disconnect the evaporate emission (EVAP) canister purge tube from the intake manifold. took me almost 10 minutes to get the manifold side off. Took me about 20 minutes to silicone around the knock sensors while I was there and connect the by pass sensor--added on oil pressure gauge, and then another 20 minutes to put the manifold on and button up the connectors. all in all about a 1 1/2 hr job.
Cold not upload the file--its too large for the forum 13mb, email me and I will send it to you

Last edited by Gordy M; Oct 31, 2019 at 11:08 AM. Reason: attachment
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Old Oct 31, 2019 | 11:51 AM
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Originally Posted by oharal
I removed the wipers and the big plastic cowl/cover thing, then cut a hole in the fiberglass above the sensor and got a socket down there. The cutting of the hole was way harder than replacing the sensor. If it ever fails again it'll be 15 mins.
I did the same. I’ve seen many references to how easy it is to remove the IM, but it looked like a daunting task to me, and I was worried that I would be exposing the interior of the engine. I bought the special socket and u-joint but could not get it in there just to get started. Luckily I have old surgical tools that allowed me to remove the wire without much trouble, but I was working blind and because of the location, couldn’t work ‘by feel’ either. As a former IA-Metals teacher, fabrication of many materials is not a problem, so I used the smallest hole saw to make the hole and the ‘hard’ part of the job became easy. I then formed a piece of aluminum to fit and used 2 stainless steel screws and rtv to hold it in place and seal it.
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Old Oct 31, 2019 | 12:08 PM
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@gordym

Please do! Tyler@TylersRealEstate.com

I appreciate it man! Worried about getting too deep in there as this is my DD though. I figure Ill ride the Harley if its in the shop, but if the vette wont start, and I cant get it out of the garage, I cant get the bike out and Im screwed ha!

Thank you for sending that over Ill give it a look!

Last edited by Scdynachopper; Oct 31, 2019 at 12:09 PM.
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Old Oct 31, 2019 | 12:08 PM
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@chasboy Do you have a photo? Would entertain it - if the piece you can cut into could easily be replaced down the line

Last edited by Scdynachopper; Oct 31, 2019 at 12:09 PM.
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Old Oct 31, 2019 | 12:13 PM
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Buy appropriate hand tools, remove manifold in 30min swap sensor. Done.

remove connections to TB (sensors/CAI)
disconnect fuel rails
unbolt and remove manifold
replace sensor.

Not hard nor time consuming. Can be done in couple hours if it's your first time.
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Old Oct 31, 2019 | 12:16 PM
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Originally Posted by leadfoot4
I have to admit, removing the intake manifold, while a little tedious, wasn't all that big of a job. It's significantly easier because there isn't a water crossover, like the older, small block Chevy engines. If you have an array of tools, and some automotive skills, it can be done in an afternoon.....
That was the route I took and I agree; it wasn't anything someone with fundamental mechanical skills couldn't do with standard tools; nothing exotic or difficult.

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Old Oct 31, 2019 | 12:18 PM
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Originally Posted by Scdynachopper
Dude I watched all the videos, have all the tools - there is NO WAY to get down to that fuc*ker without cutting or removing IM.

So: How many hours have y’all gotten charged to replace this thing - or better yet - relocate and replace? 120mile DD - 7 days a week - I cant be DIY’n the “right way”.

another thought - if I’m going to pay someone to take this all apart - what other **** should I have them do along the way?

thank you from a frustrated 1st time C5 owner
Too funny......I watched the vids as well and decided to do the relocation once I had other things that needed to be replaced under the manifold. Just remove the manifold and be done with it....You tube videos are great, but I damn sure most guys edit out a lot of labor hours to make it look a bit easy, but they want to keep the video short.....I looked at doing it without removing the manifold but I would just not be confident that the reinstall is good and not leaking...
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Old Oct 31, 2019 | 12:19 PM
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I pulled the intake when I did mine. All in, 20, maybe 25 minutes till it was running again.

You're making a mountain out of a molehill.
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Old Oct 31, 2019 | 12:22 PM
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Originally Posted by Scdynachopper
@chasboy Do you have a photo? Would entertain it - if the piece you can cut into could easily be replaced down the line
Unfortunately I don’t have a pic. However, I was concerned about puncturing something important so I adjusted the pilot bit on the hole saw close to the level of the teeth so I knew there would be no trouble and I would get thru the material without drama. I think the area is also plastic, so the cut went very easy. I chose aluminum to fill the space to avoid rust concerns and I knew that after forming it, it would be work hardened and stiff. I used a 2 1/2” hole saw.
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