98 S10 Vortec V6 4.3 Intake Gasket Replacement Part 1 of 5
Well I think I have a bad intake gasket on the drivers side. I had a small
coolant leak coming from the water pump but now I have a pretty bad leak
that is getting on the Exhaust
manifold on the drivers side. Going to take it off and have a look. From
what I have seen online intake gaskets are a pretty common thing on the 4.3
and 5.7 vortec engines. I will try to be as detailed as I can to help
others doing this same job.
GM ( Chevrolet or GMC ) 4.3 L V6 Engine Tear Down
This video goes through the teardown process of a GM 4.3L V6. It has been
removed from the vehicle and we take it apart, except for crank and piston
The automobile consist of:
• Fuel System: Purpose is to deliver fuel to the engine. It consists of
the fuel tank, pump, gauge/sensor, filter, pressure regulator and
• Air Intake System: Purpose is to clean and direct outside air into the
engine. It consist of air filter, ducts, air plenum and intake manifold.
• Exhaust System: Purpose is to
direct Exhaust gasses out of
combustion out of engine. It consists of the Exhaust manifold, converters, pipes and
• Cooling System: Purpose is to remove excess heat from the engine. It
consists of water pump, hoses, radiator, thermostat, cooling fan and
coolant recovery tank. Also the oil system serves as a cooling system as
well as a lubricating system. It consist of oil pump, pan, filter and
1. Clutch: Purpose is to connect the engine and transmission together. It
consists of clutch drive disc, driven disc, release bearing, clutch fork,
cable, slave cylinder, master cylinder. There are three types of clutch
systems: mechanical, cable and hydraulic.
2. Transmission: Purpose is to match engine speed to road speed. Two types
used are manual or automatic. These consist of gears, linkages, cables and
converters for automatics. A manual is connected to the clutch by a
flywheel and automatic by a flexplate.
3. Driveshaft: Purpose is to connect the transmission to the rear axle. It
consists of a slip yoke, shaft and universal joints.
4. Rear axle differential: Purpose is to change the angle of motion from
engine to the wheels. It also divides torque between the wheels. It
consists of a ring and pinion gear, carrier, bearings, crush sleeve and
5. Wheels/Tires: Purpose is to provide traction to the road as well as
carry the weight of the vehicle.
Vehicle Control Systems:
1. Brakes: Purpose is to slow and stop the vehicle. It consists of master
cylinder, brake Booster (vacuum or
hydraulic), calipers, drums, pads and rotors.
2. Steering: Purpose is to direct vehicle in the required direction.
Consists of steering gear (rack & pinion), steering wheel, column,
inner/outer tie rods, pump, reservoir, hoses and pipes.
3. Suspension: Purpose is to provide stability and handling while also
providing comfort to the ride. Consists of shocks, struts, sway bars, end
links, springs, trailing arms and bushings.
1: Heating Ventilation Air Conditioning (HVAC): Heats and cools interior
air to passenger comfort. Also circulates outside and inside air.
• Air Conditioning: Consist of condenser, compressor, accumulator
(receiver/dryer) orifice, expansion valve, hoses, evaporator, controls,
actuators and modules.
• Heating: Consists of heater core, valves, hoses and switches.
1. Power Generation: Creates electrical power to run all the electrical
systems. Consists of the alternator.
2. Power storage: Stores unused power to start the car and supply voltage
to the alternator to create more electricity.
• Both systems consist of wiring, harnesses, fuse, relays and modules
94 S10 4.3L Vortec Intake Install & Torque Sequence
A detailed description for beginners. Also included in the video is a
torque sequence diagram.
To the best of my knowledge this video is accurate. I am in no way
responsible for any occurrence resulting from following the instructions in
roller 4.3L luv 1st start
starting the roller 4.3l for the first time. 1974 chevy luv with a 1988
roller 4.3l. edelbrock carb, cam, and intake. s10 headers, monza 5 speed
s10 turbo 4.3 vortec
Walk around of my truck and the new front mount set up
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GM 4.3L V6 / 5.7L V8 - Fuel Spider Swap, SCPI to MPFI
Video of me swapping the fuel spider out of my 1999 vortec 4.3l after it
All the tools and tricks needed for the job are outlined in the video.
5/8'' Crows foot will be your best friend.
here were the symptoms:
Truck would start rough and require throttle to even out when warm. Would
usually cold start fine. This lasted for about 6 months, then it got to
where it would be so flooded it would run like shit and not even out. fuel
pressure regulator was dumping fuel out of itself and into the upper
intake; whenever the fuel pump turned off. I demonstrated this in the video
with the plenum off and the injectors plugged in.
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If your have a pre-2003 4.3L I highly recommend you replace your poppets
with the new multi port spider. Just about the best upgrade you could do.
Changed the plugs and wires as well and now get 19mpg (up from 16 with the
this video was a nightmare to edit (filmed back in august) and the audio
from the camera doesn't sound right
royalty free music tecknoaxe i think is how you spell his name......
Opala com motor V6
Matéria produzida pela equipe Rod&Custom com este Chevrolet Opala que
ganhou um motor Vortec V6, novas rodas, preparação e ainda uma
customização que manteve a seriedade de um dos veículos mais aclamados
do Brasil. Confira aqui todos os detalhes deste incrível projeto.
Watch the full story carried by the team of Rod & Custom magazine with this
Chevrolet Opala who won a Vortec V6 and a customization that has kept the
seriousness of one of Brazil's most acclaimed vehicles. Check here for all
details of this incredible project.
Vortec 5.7 in 1999 Chevy Blazer
This is the very first time cranking over the engine after a rebuild. The
truck is a 1999 Blazer that had a 4.3 / 5 speed NV3500. I got the engine
for free on craigslist out of a 1998 Chevy Express van. The guy claimed
that the head gasket blew and mixed coolant and oil together at 220,000
Got it torn apart and found that it was the intake gasket that had gone. So
I went through and redid the whole thing. Installed a new oil pump, all
bearings, piston rings and gaskets. I also only had the block boiled and
honed out and had the heads gone through. It is still fuel injected and I
did the 0411 computer upgrade too. It has dual 2" Exhaust into 2 flowmaster super 44's, for now.
It is still a 5 speed.
Check out the engine rebuild here:
And entire truck build
Making your V6 truck sound the best
A comparison of my old *Flowmaster Single chamber race series mufflers* and
my current *Flowmaster OUTLAW mufflers*. The video doesn't do complete
justice for either, around 3 1/2-4 RPM and above the Race series got very
raspy and high (sounding more like a V6). The OUTLAWS keep their tone very
well at even 4-5 RPM and have an awesome sound. The race series rumbled
much different at idle and 2-3 RPM has a smooth tone, but after that
sounded a little to raspy and got high pitched. The OUTLAWS all around
sound fantastic and probably the most close your going to get to a V8.
MOTOR VORTEC 4.3 V6 BLAZER
esse barulho começou depois de uma viagem agora ñ sei o que é alguns
mecânicos me falaram que podia ser tucho hidraulico, outros me disseram
que podia ser biela outros acharam bastante estranho agora ñ sei o que
faço.. se for tucho me falaram que gasto en torno de 500,00 se for
cabeçote gosto uns 3.000 e se tiver que fazer o motor gasto entra 8.00 e
10.000 ai fudeu rsrrsrsrs se alguem tiver uma opinião eu agradeço abrç