1998 dodge ram 1500 vacuum line diagram

Here is a general vacuum hose and line placement diagram for a 2001 Dodge Ram 1500 4x4: 1. The vacuum line from the engine intake manifold should be connected to the vacuum reservoir tank. 2. The vacuum line from the vacuum reservoir tank should be connected to the vacuum actuator on the front axle. 3.

1998 dodge ram 1500 vacuum line diagram. Oct 8, 2018 · 80K views 5 years ago. Please Like and Subscribe. In this video I test the 4WD Indicator Switch and Vacuum Lines on a 1998 Dodge Ram 4X4. The switch needed replacing. ...more. Please Like...

View and Download Dodge RAM 1500 1998 owner's manual online. RAM 1500 1998 automobile pdf manual download. Also for: 1997 ram 1500.

Also, vacumn on the 2nd Gens is used primarily for the cruise-control, HVAC system vents control, i.e., defrost, heat, AC positions, and for the 4WD diaphram. Need to be more specific as to which one you need. Might want to look in the classifieds, probably your best bet. 2016 Ram 3500 Tradesman SRW (4x4) - Stock, 6.7 Cummins, 68RFE, 3.42 rear.Ram Ratna Wires News: This is the News-site for the company Ram Ratna Wires on Markets Insider Indices Commodities Currencies Stocks7.23K subscribers. Subscribed. 1.4K. 201K views 7 years ago. Quick and easy technique for finding the vacuum leak in the 4wd system of a 2nd gen Cummins. …Should be a vacuum line going to the heater controller underneath the dash, and a line going to the top of the transfer case to shift the CAD on the difTo find success as an Airbnb host, set yourself apart so you can limit vacancies. Here are tips on how to make the most money with Airbnb. Home Make Money If you’re looking to mak...how the 4x4 vacuum system works on a 98 Dodge Ram 1500

Dodge Ram Generations Forum. 2nd Gen : 1994 - 2002 ... Anybody have a link to a vacuum diagram for a '99 1 ton van w/ 5.9? ... 5.2 to 5.9l swap on 01 ram 1500 crank ...chris. Category: Satisfied Customers: 224. chris and 87 other Dodge Specialists are ready to help you. chris. on the fire wall where the 2 ac line goes into the truck is where the vacuum line will be going inside the truck at and follow it out to the vavle and from there to the intake. chris. MoparPartsGiant .com offers the wholesale prices for genuine 1998 Dodge Ram 1500 Regular Cab parts. Parts like Vacuum Lines - Front Axle & Transfer Case are shipped directly from authorized Mopar dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 3.9L, 8 Cyl 5.2L, 8 Cyl 5.9L. Q&a: 1997 dodge ram 1500 vacuum line diagrams & engine schematics. 1998 ram 1500 vacuum hoseDodge ram vacuum 1500 lines front transfer case 2001 parts 1999 axle diagram 1998 2500 drive suspension 1997 transmission harness Dodge 2500 heater 4x4 vacTechnical car experts answers everything you need: vacuum reservoir.Step 2 – Remove the actuator assembly. Using a 7/16" socket, remove the skid plate below the actuator assembly. Then firmly pull off the vacuum line from the actuator assembly. Figure 2. Vacuum line unplugged. Place a drain pan under the actuator; it will leak some fluid when the actuator assembly is removed.

SOURCE: 1998 dodge Ram 1500 4X4. The heater/AC blows out. In the engine compartment, locate black vacuum hose that runs from brake booster check valve to intake manifold, there will be a small vacuum hose attached to check valve at the power brake booster check valve. This is the vacuum line going to the heater control unit,check the hose all ...Thanks. Like. WaltFelix. 199 posts · Joined 2008. #5 · Jan 5, 2009. It's most likely the CAD (Central Axle Disconnect) is sticking, a common problem with the Rams and the early Dakotas. Here is the troubleshooting chart, right from the FSM. You can either repair it or replace it with a Posi-Lok.Apr 21, 2010 · Dodge Mechanic: David Dill. The vacuum line enters the cabin at where the evaporator coil lines come through the firewall. You should see the black plastic line sticking out. David Dill. Category: Dodge. Satisfied Customers: 1,314. Experience: 19 years as Technician, 14 years with Chrysler Group LLC. Verified. how the 4x4 vacuum system works on a 98 Dodge Ram 1500 ...more. how the 4x4 vacuum system works on a 98 Dodge Ram 1500.I need a vacuum hose diagram for a 5.9 ltr 1500 Dodge Ram Truck. Posted by Rodney Ross on Dec 30, 2011. SOURCE: belt diagram 2004 5.7 liter engine dodge ram 1500 1/2 ton 4x4. SOURCE: 2001 dodge ram 1500 v8 spark plug wire diagram. the firing order is 1 8 4 3 6 5 7 2 clockwise around the cap. SOURCE: vaccum hoses are missing. 1986 …

Live cam ruidoso new mexico.

Jan 25, 2012 · Here is a general vacuum hose and line placement diagram for a 2001 Dodge Ram 1500 4x4: 1. The vacuum line from the engine intake manifold should be connected to the vacuum reservoir tank. 2. The vacuum line from the vacuum reservoir tank should be connected to the vacuum actuator on the front axle. 3. Also, vacumn on the 2nd Gens is used primarily for the cruise-control, HVAC system vents control, i.e., defrost, heat, AC positions, and for the 4WD diaphram. Need to be more specific as to which one you need. Might want to look in the classifieds, probably your best bet. 2016 Ram 3500 Tradesman SRW (4x4) - Stock, 6.7 Cummins, 68RFE, 3.42 rear.1999 dodge ram dragging vacuum line: brakes problem 1999 dodge ram...1998 ram 1500 5.2 vacuum ports Vacuum hose diagram.dodge ram,1500,4x4,5.2lDodge ram vacuum line diagram. 1998 ram 1500 5.2 vacuum portsToyskids federal autozone Ram dodge 1500 van heater vacuum core diagram …If you have secured the vacuum reservoir correctly, the last step is to reinstall the new vacuum line onto the vacuum reservoir. Step 9: Replace any covers you removed in order to gain access to the vacuum reservoir. Make sure you return all of these to their positions. Step 10: Replace battery cables.The Vacuum Line Diagram. The vacuum line diagram for a 1998 Dodge Ram 1500 5.9 provides a visual representation of how the vacuum lines are connected and where they …

Hey guys! I am struggling with this vacuum line! ... Ram Year 1998 Engine 5.2. Hey guys! I am struggling with this vacuum line! ... BTW- I have a 98 Dodge Ram Sport RWD 1500 . Feb 13, 2017 #2 D. dudeman2009 Senior Member. Joined Feb 9, 2016 Posts 1,562 Reaction score 208 LocationDodge Ram Cummins Vacuum Line Routing - YouTube. CumminsWorks. 7.24K subscribers. Subscribed. 1K. 123K views 6 years ago. Vacuum lines purposes, routings, failures, diagrams and...4wd and cruise control. Follow that thread and download a service manual for yourself. 98.5 2500, auto, 4x4, 4in turbo back, afe intake, adrenaline, Raptor 150, 1/2" lines,4 in. Kore lift, 37/12.5/16.5 Wrangler military MTs, tonneau cover, bigger sticks, Big head wastegate actuator, turn over ball and rapid hitch.Anybody have a link to a vacuum diagram for a '99 1 ton van w/ 5.9? ... Dodge Ram Generations Forum. 2nd Gen : 1994 - 2002. Tech Info . 5.9l vacuum ... 5.2 to 5.9l swap on 01 ram 1500 crank no start now. JaySimmons99; Dec 6, 2023; Engine & Performance; Replies 6 Views 2K.1999 Dodge Ram 1500 Ac Vacuum Line Diagram 08 Dec 2023. I have a 95 dodge ram 1500 with an ac / heater problem when i am on the Vacuum schematic Vacuum dodge ram diagram 2500 2001 line system 2002 4wd wheel vents drive compile wacky trying need figure info four. 1999 dodge ram van v6 1500 vacuum system diagram - FixyaThe Benefits of Having the 2001 Dodge Ram 1500 AC Vacuum Line Diagram. The 2001 Dodge Ram 1500 AC Vacuum Line Diagram is a valuable resource for anyone who owns this vehicle. This diagram provides a visual representation of the air conditioning system and its various components, helping owners understand how everything fits together and …Q&a: 1997 dodge ram 1500 vacuum line diagrams & engine schematics. 1998 ram 1500 vacuum hoseDodge ram vacuum 1500 lines front transfer case 2001 parts 1999 axle diagram 1998 2500 drive suspension 1997 transmission harness Dodge 2500 heater 4x4 vacTechnical car experts answers everything you need: vacuum reservoir.Here is a general vacuum hose and line placement diagram for a 2001 Dodge Ram 1500 4x4: 1. The vacuum line from the engine intake manifold should be connected to the vacuum reservoir tank. 2. The vacuum line from the vacuum reservoir tank should be connected to the vacuum actuator on the front axle. 3.

In this video we fix a vacuum line on a 1996 Dodge Ram 1500

97 Ram 1500 5.2 4x4 3" lift. Like. Sort by Oldest first. Moparite. 5238 posts · Joined 2006. #2 · Jan 26, 2016. Ac should come on regardless, The supply vac line goes direct to the heater control on the dash. I know it's tight back there but you have to find it. It should be the only one not connected to anything.The Dodge Ram 1500 is a popular choice among truck enthusiasts for its powerful performance, versatility, and stylish design. However, with several different models available, it c...Thanks in advance. Look down on the front driver side of the engine block for the vacuum pump/power steering pump. That black tube that is pointing towards the top left of the picture is where the vacuum line connects to the pump. Follow that line towards the brake master cylinder.How to video on fixing the cruise control on your 2nd gen dodge ram. This is a very common problem with the 2nd gen Dodge Rams since the plastic vacuum lines...The exhaust had burned a tiny hole in the line. New vacuum line cost me about $30, and it took less then 20 minutes to change. ... 2009 Dodge Ram 1500 4x4, 5.7 Hemi, Crew - work in progress 2008 Chrysler Aspen 4x4, 5.7 Hemi, Loaded. Save Share. Like. Sort by Oldest first ... 1998 5.9 Q-cab 1500, flowmaster 50, SSBC calipers, R1 ...97 Ram 1500 5.2 4x4 3" lift. Like. Sort by Oldest first. Moparite. 5238 posts · Joined 2006. #2 · Jan 26, 2016. Ac should come on regardless, The supply vac line goes direct to the heater control on the dash. I know it's tight back there but you have to find it. It should be the only one not connected to anything.99 dodge ram 1500 ac problem. recharge your system, it;s low on refrigerat, there is not enough liquid going into the evap to help maintain cooling, hence the speed of the compressor. install gauges to check pressures at idle, if not to spec , recharge. if it's low you have a leak to repair. also make sure your AC condenser is clear. GOOD LUCK. 52078361. HARNESS Vacuum Rear Axle Jumper. MSRP: $52.25. $36.09. Genuine Mopar Parts, the Right Choice. MoparPartsGiant .com offers the wholesale prices for genuine 1997 Dodge Ram 1500 parts. Parts like Vacuum Lines - Front Axle & Transfer Case are shipped directly from authorized Mopar dealers and backed by the manufacturer's warranty. 1999 Dodge Ram 1500 Ac Vacuum Line Diagram 28 Feb 2024. Technical car experts answers everything you need: vacuum reservoir Vacuum dodge diagram ram 4x4 1999 1500 lines fixya 4wd 1998 I need a vacuum diagram for a 1996 dodge ram 1500 4x2 w/5.2l. Technical Car Experts Answers everything you need: vacuum hose diagram

Boeing 757 seat layout.

Carbon health highland.

chris. Category: Satisfied Customers: 224. chris and 87 other Dodge Specialists are ready to help you. chris. on the fire wall where the 2 ac line goes into the truck is where the vacuum line will be going inside the truck at and follow it out to the vavle and from there to the intake. chris.Should be a vacuum line going to the heater controller underneath the dash, and a line going to the top of the transfer case to shift the CAD on the dif. 2. Reply. Share. traderdenbob. OP • 2 yr. ago. 2000 Dodge Ram 1500, 5.2L. No vacuum ball no connection for a vacuum hose that I can see in the diagram in the truck/online and no visual ...Dodge ram 1500 5.2 Vacuum line for Seafoam. This is where you put the additive and watch it do work.Posted on Jan 03, 2009. SOURCE: need stereo wiring diagram. 1998 Dodge Ram 1500 Truck Car Stereo Radio Wiring Diagram. Car Radio Constant 12v+ Wire: Red. Car Radio Switched 12v+ Wire: Red/White. Car Radio Ground Wire: Chassis. Car Radio Illumination Wire: N/A. Car Stereo Dimmer Wire: Orange/White.First , find the problem area on the Vacuum diagram. Highlight the individual area. Trace the Vacuum till you can see where a problem may have taken place. Eliminate each portion of the diagram in sections until …Here is a general vacuum hose and line placement diagram for a 2001 Dodge Ram 1500 4x4: 1. The vacuum line from the engine intake manifold should be connected to the vacuum reservoir tank. 2. The vacuum line from the vacuum reservoir tank should be connected to the vacuum actuator on the front axle. 3. The vacuum line …Buy Now!New 4WD Vacuum Switch from 1AAuto.com http://1aau.to/ia/1AFWA000051A Auto shows you how to repair, install, fix, change or replace a damaged, worn ou...Jun 4, 2018 · 2001. Engine. 5.9L V8. The pcv and vacuum port thing points to the new engine being a different year. That stuff moved around a bit. I wouldn't be overly concerned with that. The first start thing, try turning the key to on and listening for the fuel pump to buzz. When it stops, key off and repeat. Then try starting. The Vacuum Line Diagram. The vacuum line diagram for a 1998 Dodge Ram 1500 5.9 provides a visual representation of how the vacuum lines are connected and where they are located. It is a helpful tool for identifying and locating specific vacuum lines that may need to be replaced or repaired.This diagram provides important information on how the vacuum system is connected and helps in troubleshooting potential vacuum-related issues. The vacuum lines in the 1997 …Here is a general vacuum hose and line placement diagram for a 2001 Dodge Ram 1500 4x4: 1. The vacuum line from the engine intake manifold should be connected to the vacuum reservoir tank. 2. The vacuum line from the vacuum reservoir tank should be connected to the vacuum actuator on the front axle. 3. ….

I have a 1997 dodge dakota and noticed that there is no air blowingAnswered: the hose it's on the front of the carburetor where does it go The code is p0443, please suggest a remedy, thanks.12+ 1999 dodge ram 1500 vacuum line diagram. 1997 dodge ram 1500 4x4 vacuum diagram Check Details Vacuum 9l cargurus …The vacuum diagram is under the hood on the federal emission system sticker. We do not have it. Robert Debison. 412 Answers. Posted on Aug 31, 2009. …All Time: 107,095. The year range is pretty non specific. If the truck has a vacuum hose to the transmission (to the vacuum modulator), the line will be a metal tube attached to the large tube that the transmission dipstick is in. It will come up and connect to a hose that will run to the base of the carburetor.... - 1988-1998 GMC Pickup.Ram Year 2008 Dodge Ram 1500 ST Regular Cab Engine 3.7 L V6. Please help. I need a vacuum line diagram for my 2008 RAM 1500 > with 3.7L Magnum V6 engine. I have a weird noise that sounds like a vacuum leak but I'm not sure. Back in the good days, cars/trucks had vacuum line diagram stickers under the hood. Should be a vacuum line going to the heater controller underneath the dash, and a line going to the top of the transfer case to shift the CAD on the dif. 2. Reply. Share. traderdenbob. OP • 2 yr. ago. 2000 Dodge Ram 1500, 5.2L. No vacuum ball no connection for a vacuum hose that I can see in the diagram in the truck/online and no visual ... Anybody have a link to a vacuum diagram for a '99 1 ton van w/ 5.9? ... Dodge Ram Generations Forum. 2nd Gen : 1994 - 2002. Tech Info . 5.9l vacuum ... 5.2 to 5.9l swap on 01 ram 1500 crank no start now. JaySimmons99; Dec 6, 2023; Engine & Performance; Replies 6 Views 2K.Here is a general vacuum hose and line placement diagram for a 2001 Dodge Ram 1500 4x4: 1. The vacuum line from the engine intake manifold should be connected to the vacuum reservoir tank. 2. The vacuum line from the vacuum reservoir tank should be connected to the vacuum actuator on the front axle. 3.Here is a general vacuum hose and line placement diagram for a 2001 Dodge Ram 1500 4x4: 1. The vacuum line from the engine intake manifold should be connected to the vacuum reservoir tank. 2. The vacuum line from the vacuum reservoir tank should be connected to the vacuum actuator on the front axle. 3. 1998 dodge ram 1500 vacuum line diagram, Your computer probably uses both static RAM and dynamic RAM at the same time, but for different reasons. See what both types of RAM do in your computer. Advertisement Your computer..., I have a 1999 ram 2500 V10 that has a loose vacuum hose. The hose is the large one that is pared with a smaller diameter one, runs from the evaporator tank to the passenger side wheel well. The smaller hose has a pressure regulator cap on it. The hose I need to connect is the larger one and only reaches about half way down the exhaust …, Jan 25, 2012 · Here is a general vacuum hose and line placement diagram for a 2001 Dodge Ram 1500 4x4: 1. The vacuum line from the engine intake manifold should be connected to the vacuum reservoir tank. 2. The vacuum line from the vacuum reservoir tank should be connected to the vacuum actuator on the front axle. 3. , SOURCE: wiring and vacuum diagrams. wiring diagrams for a lot of vehicles (but not all!) go to autozone . com. repair info (on the left) vehicle repair guides (center panel) put in your vehicle info. select chassis electrical. then wiring diagrams (on the right, bottom of the list) You might be able to find vacuum diagrams also, but I'm …, This diagram provides important information on how the vacuum system is connected and helps in troubleshooting potential vacuum-related issues. The vacuum lines in the 1997 Dodge Ram 1500 5.2 engine are responsible for controlling various components, such as the EGR valve, PCV valve, and the HVAC system., 2nd Generation Dodge Ram Service Manuals. Years are a spread. Some mid-year changes occurred, that are not necessarily reflected in the manuals. They should be very close though. If these links don't work, please notify a moderator or administrator. Daktal (03-08-2022), Dja1214 (09-04-2021), franticvike (02-07-2023), Irwin Billiot (04-25 …, In this video we fix a vacuum line on a 1996 Dodge Ram 1500, If you need a faster computer, adding more RAM may help. Learn about the benefits and drawbacks of making your computer faster with RAM memory. Advertisement In a PC, Mac, smart ph..., Here is a vacuum line diagram click the image below. ... Would Mount To A Dodge Ram 1500 That Originally Has A 3.9 V-6? ... 5.2l Engine From A 1998 Dodge Ram 1500 ..., The Vacuum Line Diagram. The vacuum line diagram for a 1998 Dodge Ram 1500 5.9 provides a visual representation of how the vacuum lines are connected and where they …, 59. Oct 27, 2023. #1. Hello. I have a 99 Dodge Ram 1500 4x4 5.9L Magnum. I'm trying to get my temperature control unit and Vehicle Speed Control to work and noticed it is vacuum reliant. I'm thinking the prior owner bypassed this stuff and just kept the 4x4 working. I found a broken line coming through the fire wall from the upper dash area in ..., 7 Vacuum Diagram is a Drawing That Shows the Path of the Engine’S Vacuum As It Travels Through the Various Parts of the Engine. As the engine runs, the …, The standard 2014 Dodge Ram 1500 travels up to 650 miles on a full tank of fuel. This is based on gas mileage of 25 miles per gallon during highway driving on a full 26-gallon tank..., Aug 13, 2012 · SOURCE: 1998 dodge Ram 1500 4X4. The heater/AC blows out. In the engine compartment, locate black vacuum hose that runs from brake booster check valve to intake manifold, there will be a small vacuum hose attached to check valve at the power brake booster check valve. , 2nd Generation Dodge Ram Service Manuals. Years are a spread. Some mid-year changes occurred, that are not necessarily reflected in the manuals. They should be very close though. If these links don't work, please notify a moderator or administrator. Daktal (03-08-2022), Dja1214 (09-04-2021), franticvike (02-07-2023), Irwin Billiot (04-25 …, Here is a general vacuum hose and line placement diagram for a 2001 Dodge Ram 1500 4x4: 1. The vacuum line from the engine intake manifold should be connected to the vacuum reservoir tank. 2. The vacuum line from the vacuum reservoir tank should be connected to the vacuum actuator on the front axle. 3., Dodge Ram Cummins Vacuum Line Routing - YouTube. CumminsWorks. 7.24K subscribers. Subscribed. 1K. 123K views 6 years ago. Vacuum lines purposes, routings, failures, diagrams and..., How to video on fixing the cruise control on your 2nd gen dodge ram. This is a very common problem with the 2nd gen Dodge Rams since the plastic vacuum lines..., The vacuum line diagram for a 1997 Dodge Ram 1500 5.2 is an important tool for understanding the layout of the vacuum lines in the vehicle’s engine. By reading and interpreting this diagram, you can gain a better understanding of how the vacuum system functions and troubleshoot any issues that may arise. Step 1: Locate the vacuum line diagram. , When it comes to purchasing a truck, the Dodge Ram 1500 is often at the top of the list for many buyers. With its impressive power, rugged design, and versatile capabilities, it’s ..., how the 4x4 vacuum system works on a 98 Dodge Ram 1500 ...more. how the 4x4 vacuum system works on a 98 Dodge Ram 1500., 1996 dodge van B3500. i need a diagram that shows where the vacuum lines for heater ac goes after exiting the cabin. ... I have a 1998 Dodge Durango 5.2L. ... I have a 1998 Dodge Ram Pickup 1500. I have lost vaccum to the heater/ac damper controls and can find where th e vaccum line comes form the engine compartment into the cab., The vacuum diagram is a visual representation of how the vacuum lines are connected in the 4×4 system. It shows the path of vacuum from the engine to different components, such as the front axle engagement system and the transfer case. By understanding this diagram, you can diagnose and fix issues related to the 4×4 system., SOURCE: 1998 dodge Ram 1500 4X4. The heater/AC blows out. In the engine compartment, locate black vacuum hose that runs from brake booster check valve to intake manifold, there will be a small vacuum hose attached to check valve at the power brake booster check valve., 2001. Engine. 5.9L V8. The pcv and vacuum port thing points to the new engine being a different year. That stuff moved around a bit. I wouldn't be overly concerned with that. The first start thing, try turning the key to on and listening for the fuel pump to buzz. When it stops, key off and repeat. Then try starting., Posted March 9, 2015. 1999 Dodge's are pretty simple. Vacuum goes from the vacuum pump to the cowling. Then routes over to the passenger side for HVAC controls. There should be a second line that heads down to the transfer case. If you have a exhaust brake then you could have a 3rd port on the passenger side for the exhaust brake., 1998 dodge ram 1500 4x4 not working. ... Once, on my 95, the vacuum lines got knocked-off the actuator on the axle by the snow. They can also rot and leak. ... 2001 Dodge Ram 1500 CC 4x4 5.2L, 2000 Mecury Cougar 2.5L 5 speed, 2004 Chrysler Pacifica 3.5L AWD. Save Share., Buy Now!New 4WD Vacuum Switch from 1AAuto.com http://1aau.to/ia/1AFWA000051A Auto shows you how to repair, install, fix, change or replace a damaged, worn ou..., SOURCE: 1998 dodge Ram 1500 4X4. The heater/AC blows out. In the engine compartment, locate black vacuum hose that runs from brake booster check valve to intake manifold, there will be a small vacuum hose attached to check valve at the power brake booster check valve. This is the vacuum line going to the heater control unit,check the hose all ..., Access our free Vacuum Diagrams Repair Guide for Chrysler Full-Size Trucks 1989-1996 through AutoZone Rewards. These diagrams include: Fig. 1: All vehicles should be equipped with a label comparable to the one shown , Vacuum dodge cummins 2001 line ram 2500 diesel 4wd hose cargurus lines 98 valve where does gen 2nd pickup there[diagram] 2002 dodge ram 2500 vacuum line diagram Regarding a 1997 dodge ram 1500, 4wd, automatic, 5.9 l, i need aSolved: 1999 dodge ram 4x4 vacuum diagram., Here is a general vacuum hose and line placement diagram for a 2001 Dodge Ram 1500 4x4: 1. The vacuum line from the engine intake manifold should be connected to the vacuum reservoir tank. 2. The vacuum line from the vacuum reservoir tank should be connected to the vacuum actuator on the front axle. 3., The vacuum line diagram for a 1997 Dodge Ram 1500 5.2 is an important tool for understanding the layout of the vacuum lines in the vehicle’s engine. By reading and interpreting this diagram, you can gain a better understanding of how the vacuum system functions and troubleshoot any issues that may arise. Step 1: Locate the vacuum line diagram.