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Where is the oil sending switch at in 98 chevy 454 truck

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Look on side of engine by oilfilter and pump

Posted on Mar 20, 2014

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Posted on Jan 02, 2017

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SOURCE: Need transmission info for 1988 Chevy Silverado 454 C3500 dually

My 1988 Chevrolet C3500 With A 7.4L (454) engine has a TH400 in it.

Posted on Jun 14, 2009

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SOURCE: location of oil sending unit on 1991 chevy 454

Hello Dirts_s_22p
The sending unit is at the bottom of the engine just behind the harmonic balancer on the left side. It is about 3 inches long and points towards the left wheel.

KL

Posted on Dec 18, 2009

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Posted on Feb 01, 2010

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SOURCE: I have a 454 truck that I'm looking to buy but

No oil leak is common but they do happen. If you want to get serious buy a can of engine cleaner and spray that side and follow the directions on the can. Maybe he will allow this maybe he won't. Also take your finger and rub it inside of the exhaust pipe in the rear. if your finger comes out black there is oil burning going on. If nice and dry and it looks greyish inside then thats a good thing..
If the block by the oil filter is not cracked then you can replace a gasket. It may just be the oil filter need tightened or replaced too. let me know how it turns out. Don't forget the thumbs up for me, Raz

Posted on Apr 19, 2010

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SOURCE: I have a1996 chevy c3500hd truck w/454 engine all

You could try this. It works on the previous generation Chevy trucks but I'm sure the oil pan still has the same shape. First, undo the distributor cap and lift it up from the disributor. You don't have to unplug wires but it needs to be able to move some. Then remove the 2 long bolts from the engine mounts. With them out GENTLY jack on the bottom pulley or harmonic balancer. The motor should lift just enough to slide the oilpan out. If you don't want to use the harmonic balancer, you could put a block of wood on the oilpan and jack from there. You'll have to block the engine up once it's lifted as high as you can. Use some blocks at the engine mounts to hold it. You could also lift the front of the engine with a set of chainfalls or engine hoist. The engine will have to go up until the distributor fetchs up on the firewall, that's why the cap has to come off. Hope this helps.

Posted on Jun 04, 2011

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1 Answer

Location of oil sending unit on 1991 chevy 454


Hello Dirts_s_22p
The sending unit is at the bottom of the engine just behind the harmonic balancer on the left side. It is about 3 inches long and points towards the left wheel.

KL

Dec 18, 2009 | 1990 Chevrolet K3500

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