1994 vortec v6 with cracked flexplate

We specialize in a widevariety of highquality car parts and accessories for your car, truck or suv. Cracked fly wheel usually gets louder as it gets hotter, or under heavier load. Gm performance view topic broke my fourth flexplate. If the starter skips as it is turning the engine, your starter could be too far from the flexplate flywheel. We offer high quality new, oem, aftermarket and remanufactured chevrolet s10 flex plate parts. A neutral balanced flywheel, and a counter weighted flywheel. Cant pinpoint the source of the noise im thinking either the flexplate or torque converter its a 2000 5.

Similar to fords triton name, or rams magnum name, the name is merely descriptive in todays automotive applications. Vortec is a trademarked name used by general motors to refer to a variety of v6 and v8 engines first produced in 1988, and the name continues in use today. Some aftermarket flexplates are drilled with both patterns to accept large and small. The vortec head l31 350 started in 96 and ran thru 98 in the trucks and 99 in tahoes and suburbans. A reconditioned transmission was installed by a transmission specialist 6 months ago. Chevrolet vortec cylinder heads fast burn combustion chamber and highvelocity ports combine to produce big horsepower. Looking for the gm part number for the flex plate torque converter dust cover. Noise in my chevrolet silverado sounds like flywheel. If you only tow 5% of the time and this is a daily driver, then a 34 ton might be ok but it is no 12 ton as far as comfort and mileage. The starter works fine most times then once in awhile it just spins without turning over the engine. This is a 1999 gmc sierra 1500 with a loud noise coming between the starter and the flywheel. Jan 06, 2015 im swapping a 4l80 into my 1997 k1500 suburban w5.

Please select from the flexplates listed below to view more details regarding each flexplate. If the starter emits a highpitched whine as the engine is turning over, more clearance is required. Chevy performance sbc cast iron vortec cylinder heads jegs. In this video i talk about a noise coming between the engine and transmission. Chevrolet ck 1500 questions how to replace flex plate cargurus. Flexplate, 168tooth, external engine balance, 1piece rear main seal, sfi 29. Jan 23, 2016 how can i tell the difference between a 4. It was developed for the ford contour and also used in the ford mondeo and others.

My chevy started this tick noise out of now where thought about it and yea its the flex plate. Chevrolet s10 flywheelflexplate advance auto parts. Discussion in chevygmc 4x4 started by 74 chev, feb 27, 2010. The customer does not drive it much so the mileages may seem a little odd, but after only 500 miles the flexplate broke aroung the cranksh. The one i was going to give a friend, that was going to use it to break in his small asphalt oval cars new engine. The flywheel flexplate bolts have 60 footpounds of torque.

Says he runs a 3 speed stick that has a small and different clutch pack and that all he uses the plate for is to start it. Especially since the transmission has been removed already, diagnosis may be an issue, depending on the physical condition of the flexplate flywheel. Its purpose is to absorb and reduce harmonic vibrations from the engine as the crankshaft. This listing is for a brand new pioneer automatic transmission 168tooth flexplate with weight external balance and bolt set for 19862002 chevrolet small block 305ci 5. Rockauto ships auto parts and body parts from over 300 manufacturers to customers doors worldwide, all at warehouse prices. Gm power enthusiasts like us were relieved to find that the gm gen iii engine released in 1997 had essentially the same block bolt pattern at the rear face as the previous chevy. Hope this helps others trying to diagnose this engine noise.

Chevrolet ck 1500 questions can the v6 trans hook up to. Im pretty damn sure i broke my fourth flexplate on the truck. Vortec in the early applications referred to the adoption of multiport fuel injection by gm, replacing the previously used throttlebody injection. Flywheel, billet steel, 168tooth, external engine balance, 25. Buy a 1994 chevrolet k1500 flex plate at discount prices. The starter bolts up, and its time to get the motor off the stand so i can put on the flexplate. Im thinking it is a specific diameter or teeth selection. The 2011 is a gmc pickup truck that comes with the 6. Is it likely do due to a faulty transmission or installation. Depending on what vehicle your engine came from, you may or may not need an adapter or flexplate modification. I guess im going to have to look at a stock starter and take some measurements, but it would sure be nice to know for sure if my flexplate is in correctly or not.

I just thought id post a short video of what a cracked flexplate on a 6. Nov 16, 2006 im pretty damn sure i broke my fourth flexplate on the truck. Call toll free to order or place your order online via our secure checkout system. The bolts are direct fit oem ford replacement parts, that provide reliable maintenancefree operation. Although they all use the same bolt pattern and are the same diameter, there are 2 flywheels. In the early application, gm claimed multiport injection swirled the fuel to create a vortex that improved combustion and fuel economy. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. The crankshaft harmonic balancer is a device connected to the front of an engines crankshaft, usually built into the crankshaft pulley. A story about chevy small block starters and flywheels. I have the opposite problem that jag454 has or had in that my ministarters dont engage far enough, and i dont know what his final solution was.

I have a 1994 k1500 chevy, i bought the truck with a broken flex plate. The first vortec application occurred in 1988 with gms 4. The automatic transmission flexplate in your mustang serves a few different purposes. Vortec heads can be mildly ported for additional performance and milled up to. The vortechead l31 350 started in 96 and ran thru 98 in the trucks and 99 in tahoes and suburbans. A 168 tooth flexplate uses a 11 12inch bolt circle. I would take that cover off and turn the flywheel by hand to see if you can see a loose bolt. Gmc sierra 1500 loud noise coming from the starter and. Its purpose is to absorb and reduce harmonic vibrations from the engine as the crankshaft rotates, as harmonic vibrations at high engine speeds can cause accelerated wear and damage to the components. Symptoms of a bad or failing crankshaft harmonic balancer. Does anybody have a link to the sfi vortec style flexplate. Chevrolet performance flexplate 1986up v8 and 90 v6. Working flawlessly in a 2001 gmc sierra 2500hd vortec 6. Chevrolet s10 flex plate flywheel plate atp pioneer.

A vital part of an automobile engine equipped with automatic transmission, a flexplate consists of a piece of thick sheet metal that bolts to the crankshaft and. The key to choosing the correct bolt pattern and tooth count is measuring the torque converter you are using. This vehicle broke 2 flexplates over a year and a half period prior to us installing a rebuilt engine about 6 months ago. How can i tell the difference between the two types of engines. Broken starter mounting ear on a small block chevy the. United states and canada all deliveries to the united states and canada will be made by ups. Choose for me to minimize cost choose for me to minimize cost related parts. The 71 flexplate will not bolt to the 97 crank flange. A 153 tooth flexplate will be paired with a torque converter that has a 10 34inch bolt circle. Find the highest rated products in our automotive replacement flexplates store, and. Proposed the issue was the flex plate rather then the engine.

They use similar internals, exhaust manifolds and oil pans. The long cylinder head bolts have 75 to 80 footpounds of torque and the short cylinder. Chevrolet performance 19260102 chevrolet performance flexplates compare flexplate, 168tooth, steel, internal engine balance, chevy, small block ls, each. This can distort, twist, and eventually brake the flex plate. The main difference in the lt1 is the reverse cooling design, which cools the cylinder heads first, then the block. Chevy starter fitment is not a one size fits all situation. They are breaking the center piece with the 6 bolts right out of the center of the flexplate. Oct 30, 2017 this is a 1999 gmc sierra 1500 with a loud noise coming between the starter and the flywheel. Attached is a video of the startup and idle of the flexplate disconnected from the torque converter. Hello, the cost will need to be assessed by a facility who can evaluate the vehicle. The lt1 series gen ii small block chevrolet is very similar to the standard small block. You could have the wrong starter nose cone, or if you are using shims, remove as many as it takes to get the proper clearance.

The difference is also, as stated earlier, different flexplate and balancer, and a one piece rear main seal. Low prices on flywheelflexplate for your chevrolet s10 at advance auto parts. If the 97 flexplate wont mate with the converter, get a onepieceseal flexplate that will, and with whatever tooth count you already have a starter for probably 153 teeth. Would a faulty torque converter cause this problem. There is no need to replace the 71 converter if it wasnt doing anything bad before the engine cracked. If the flexplate on the 97 engine will bolt to the 71 converter, use that combination and get a 168 tooth starter if you dont already have one. Americas favorite highperformance cast iron small block cylinder heads offer big power and bigger value. The vortec 4300 is a 90 v6 truck engine, replacing the chevrolet 250 in light trucks and 200 cu in 3. The problem turned out to be a cracked flex plate which.

A cracked flex plate will not keep it from shifting, but the noise it generates can cause the engine management too do strange things, like knock. If the 97 flexplate wont mate with the converter, get a onepieceseal flexplate that will, and with whatever tooth count you already have a. The duratec 25 was on the wards 10 best engines list for 1995 and 1996, and the svt version made the list for 1998 and 1999. The flexplate has cracked twice in the past 6 months. Sometimes, you will need to use a shim to give the proper clearance between the starter drive gear and the flywheelflexplate ring gear. This time around, i know they make an sfi approved flexplate that will handle anything, and im putting the sucker in. Easy fixed by just unbend the plate between the fly wheel and the starter. Because perfect alignment of the engine and transmission are not possible, the flexplate can absorb the minute misalignment.