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PAY IT FORWARD . . . Please help me keep all my resources FREE for everyone to learn from and use. DONATE any amount here https://www.paypal.com/donat...Important Tips And Suggestions. TIP 1: You'll need a fuel pressure gauge to troubleshoot the fuel injector assembly on your GM 4.3L, 5.0L or 5.7L pick up (van, mini-van, SUV). TIP 2: You'll be working around fuel (gasoline), which is extremely flammable. Safety first -be careful, use common sense and think and act safety all of the time.Carfix4you. Lead Technician. Associate Degree. 412 satisfied customers. 1985 K10: hose..egr valve..with a 350, v-8, 5.7 liter engine. need to know the vaccuum hose routing, begining to end, for the EGR valve, also for the EFE valve. on a 1985 K10 series pickup truck with a 350, v-8, … read more.CERTIFIED MECHANIC. Here are two that I was able to find regarding the vacuum lines. Both are for the 4.3L V6. The 3rd one is for the HVAC system. NOTE: These are general diagrams from GM. If you have a different routing diagram under the hood, follow it, but I will assume you don't have that. If there is something specific or a specific area ...on a 97 5.7 liter the regulator is located on the CPI unit under the upper plenum. The upper plenum will need to be removed from the engine in order to gain access to the regulator. Basically you will remove the metal fuel lines from the top of the engine. Unplug all the connectors. remove the throttle cables, disconnect vacuum lines, unthread ...All you need to do is open your propane torch's valve without igniting it and run the tip along with the various gasket locations or vacuum connections. As you do this, listen to the idle. Any ...4.7L. V8. 2WD. AUTOMATIC. I just rebuild this motor. Starts up but does not stay on/does not idle. I can keep on if I apply some gas but it sounds like either a vacuum issue or miss fire. Sounds a little rough. I'm having issues finding the vacuum diagram for this motor to make sure I plugged it all back in correctly.The GM / Chevy LM7 is a 5.3 l (325 cu.in.) natural aspirated V8 90° four-stroke gasoline engine from a Generation III small block V8 truck engine series. The engine was manufactured in St. Catharines, Ontario and Romulus, Michigan from 1999 to 2007. The GM LM7 (Vortec 5300) features V8 90° cast-iron cylinder block with a five-bearings crankshaft, two aluminum heads, a single one-piece cast ...on a 97 5.7 liter the regulator is located on the CPI unit under the upper plenum. The upper plenum will need to be removed from the engine in order to gain access to the regulator. Basically you will remove the metal fuel lines from the top of the engine. Unplug all the connectors. remove the throttle cables, disconnect vacuum lines, unthread ...Now connect your gauge and crank over the engine. A non-emissions-equipped engine should make 10 or more inches of vacuum. An emissions-equipped engine should make 4 or more inches of vacuum. A low but steady reading might indicate a blown carburetor flange gasket or a worn throttle shaft; It could also be a vacuum line leaking, or it might ...Truck: 1997 suburban K1500 4X4, engine: 5.7L Vortec. First off, NO coolant leaks. NO Loss of coolant! I do have oil consumption, Plugg #3 fouls constantly. High idle, idles at 1K. Huge amout of vacuum at the breater (hose that goes from intake tube to valve cover) Way too much vacuum for the crank case in my opinion.Web cool 1997 chevy 5.7l vortec vacuum hose diagram 2022. I need a vaccum hose diagram for a 1998 4.3 vortec. Source: www.justanswer.com Check Details. Web carburetor repair air rod valve 0l 8l guide 2se fuel autozone fig s10 adjusting engines 1982 1993 57 vortec engine hoses diagram. Web cool 1997 chevy 5.7l vortec vacuum hose diagram 2022.ok seriously now i'm 3 for 3 on vortec 5.7 with bad intake gaskets. my 96 yukon had a mystery vacuum leak and loss of coolant at 115k. my 98 silverado blew coolant out of the exhaust at somewhere about 250k (ok that one i can understand), and now this nice low mileage 99 suburban i just bought also has coolant loss and rough idle.Using manifold vacuum advance will add 10-20º of extra advance at idle and the engine speeds up a lot. Nail the throttle and that extra 20º timing drops away and a bog will probably occur. That is why there is ported advance as the port is exposed when the engine approaches about 1,000 rpm while driving, giving the extra timing as needed.I need to reconnect a vacuum line. 1996 suburban 5.7. It starts at the thing where the pcv valve hose ends. It runs - Answered by a verified Chevy Mechanic ... First please click on link to view the PDF file on the PCV Vaccum routing Show the PCV # 4 ON DIAGRAM and Where it gets connected ON THE BACK ON THE INTAKE MANIFOLD THERE SHOULD BE A ...Need a vacuum hose routing diagram for a chevy s10 4.3L vortec engine. Answered in 3 minutes by: Chevy Mechanic: AMEDEE. AMEDEE, CHEVY TECHNICIAN. Category: Chevy. Satisfied Customers: 40,022. Experience: ASE certified tech ADVANCED LEVEL SPECIALIST. Wisconsin certified emissions state inspector. Verified.At this site you can find the. 96 Vortec Engine Sensor Diagram. De 2014 The only engine that would swap in. Small flywheel straight bolt pattern. The firing order on a SBC 350 V8 is1-8-4-3-6-5-7-2. The Chevy vortec engine line spans from small block V6s to big block V8s and also includes some inline 4 5 and 6 engines used in less popular GMC ...ok still looking for a vacuum line that goes of from the secondary air injection pipe that bolts to the back of the intake. There is a vacuum line that runs down right before the secondary air injection check valve and have no idea where it goes to. Any suggestions would be greatly appreciated. opcorn:This is a Vacuum Diagram for a 1986 Chevy K20 Truck. I posted this to help a friend. Picture came from a heater cover. We looked couple of places but could n...I need the vacuum line diagram for the 4.3liter v6 in a 1990 Chevy c10 pickup with the throttle body injection system - Answered by a verified Chevy Mechanic. We use cookies to give you the best possible experience on our website. ... chevy s10: 4wd 4.3l vortec v6 is idling real rough and wanting to die.chevy 5.7 vacuum diagram - Google Search. Google. 774k followers. 1986 Chevy Truck. 2003 Chevy S10. Chevy Trucks. Cars Trucks. 2000 Jeep Wrangler. Jeep Cj5. Line …on a 97 5.7 liter the regulator is located on the CPI unit under the upper plenum. The upper plenum will need to be removed from the engine in order to gain access to the regulator. Basically you will remove the metal fuel lines from the top of the engine. Unplug all the connectors. remove the throttle cables, disconnect vacuum lines, unthread ...Tim's Auto Repair. mechanic. High School or GED. 9,780Re: A/c Diagram. That vacuum diagram and Here Is The Vacuum Diagram For Your Car (Below). Were is the vacuum line for. Web 5.7 vortec heater hose diagram, 5.7 vortec heater hose diagram chevy 1997 diagram intake suburban 5.7 vortec heater hose diagram, 26 2002 ford f150. 1 week ago jun 12, 2018 · v l.5 3l engine diagram. Nickv96 Discussion starter · #3 · Jul 28, 2015. Coco, I dug high 1997 GMC Suburban, 7.4L Vortec. 4L80E etc etc. Symptoms: - Problem started slowly then quickly got worse over the course of a few days. - Truck is NOT throwing codes.. At one point it threw a P0174 which is Lean Bank 2..but no longer tripping any codes. - The truck has a rough idle, almost as if it has an aggressive cam, idle sits …

1997 5 7 Vortec Engine Diagram hestiahelper.blogspot.com. engine vortec silverado k1500 chevrolet ohv valve sierra1500 479c gtcarlot. 2003 Chevy S10 43 Vacuum Diagram - Wiring Site Resource wiringdatabaseinfo.blogspot.com. 4 3l V6 Vortec Engine Part Diagram - Wiring Diagram Networks kelvin-okl.blogspot.com. vortec c2500. 5.3 Vortec Firing Order ...Vacuum Leak Detection Basics. Intake Manifold Gaskets Made Of Plastic. Using Carb-Cleaner To Find The Vacuum Leak. Using A Propane Torch To Find The Vacuum Leak. Using Water To Detect A Vacuum Leak. More Silverado, Suburban, Tahoe, Sierra, And Yukon Tutorials. You can find this tutorial in Spanish here: Como Encontrar Fugas De Vacío (1999-2006 ...80's chevy truck vacuum diagram 80's chevy truck vacuum diagram - Cars & Trucks question5.7L. V8. 4WD. AUTOMATIC. 215,000 MILES. The PCV runs from the valve cover to (I have no idea) a black thing that has a vacuum tube running out of the top. The vacuum hose coming out of the top is broke off flush and I cannot for the life of me figure out where it goes. It has a lot of vacuum and when I put my finger over it the truck shuts off.

Ghost, Check the attached links vacuum line diagrams for 1993 4.3 vortec, Good luck "I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info." Repair Guides Vacuum Diagrams Vacuum Diagrams AutoZone com 4 3 vortec vacuum diagram Google Search ...Aug 27, 2017 · Need vacuum diagram. A P0171 code does not indicate a vacuum leak; it indicates a dirty mass air flow sensor. This device is located between the air filter box and the intake manifold. Locate it, unplug the wire harness, and remove the 2 screws that holds it onto the intake pipe. Look down inside th sensor, you will see 2 small wires, that are ... …

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Find solutions to your vacuum diagram chevy question. Get free help, . Possible cause: Jul 25, 2012 · 1 answer. Need a vacuum diagram for a 1998 Chevrolet S10.