02 explorer v6 sohc engine compression testing|Compression Info 4.0L SOHC : manufacturers This tutorial will help you do a compression test and, more importantly, how to interpret your compression test results in a clear step-by-step way on your 4.0L Ford Explorer (Aerostar, Mercury Mountaineer). Domain names and IP numbers are the framework upon which the entire world wide web is built. IP numbers are assigned to networking organisations with a record maintained by governing bodies for each IP number and the organisation to which it has been assigned. A whois IP lookup allows you track the above mentioned details for a domain.
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I will make it short and easy to understand. #1 Start your engine so it go to normal operating temperature. #2 Stop it and let it cool down for 10 minutes before removing spark .
I will try to remember to check my Chilton manual at home and see if they list the specs for the SOHC. Have you ever had anything checked as far as the timing chain and . This tutorial will help you do a compression test and, more importantly, how to interpret your compression test results in a clear step-by-step way on your 4.0L Ford Explorer (Aerostar, Mercury Mountaineer).
Not my first go around with motors. Been building them for quite some time now not only that compression test showed no compression in #4 cylinder so I removed intake and Guess what. Valve jammed open with NO MOVEMENT while .
I have a 2002 4.0L SOHC V6 that quit while going down the interstate. It still turns over but sounds like the timing is off so it wont re-start. Many say that this engine is an interference engine and when the timing . The dreaded SOHC V6 timing chain rattle has occurred in member's engines as early as 45,000 miles but typically not until 100,000 to 200,000 miles on the odometer. In most cases, maintaining clean engine oil and avoiding high engine revolutions at engine start will extend the life of the timing chain system. My next step is to do the following calculation: STEP 1: 175 x 0.15 = 26.25. STEP 2: 26.25 = 26 (rounded to nearest one). STEP 3: 175 - 26 = 149. ANSWER: 149 PSI.Any cylinder with this compression (or lower) value will misfire. Since cylinder #2 is only producing 95 PSI, I can now conclude that it's 'dead' and causing a misfire. Background There are multiple possible sources of rattle for vehicles with the 4.0L SOHC V6. See Timing chain rattle resolution process - SOHC V6 .Sometimes the location of the rattle source can be detected by using a mechanic's stethoscope or a length of flexible hose. However, internal engine sounds echo off the block walls making locating the source difficult.
If the coolant level drops enough that the engine coolant temperature sender is not immersed in coolant it will not provide an accurate temperature reading on the gauge in the instrument cluster. The gauge may indicate a cool engine when it is actually overheating. It is difficult to purge the air from the SOHC V6 cooling system. I have read that the V6 cylinder heads are prone to cracking between the valves, but why would I get all 3 cylinders reading misfire? . rings, worn or sticking valves, blown head gasket or cracked head. Replacing your plugs is an opportunity to do a compression test. You didn't mention an engine oil change. . 2001 Explorer Sport SOHC 1995 .
The difference between a SOHC 4.0L and OHV 4.0L is that in a SOHC engine there is a camshaft sitting on the top of each cylinder head with the valves running directly off the camshaft. . The Ford Ranger switched from the OHV 4.0L to the SOHC 4.0L in 2001. The Ford Explorer actually started using the SOHC 4.0L in 1997 along with the OHV 4.0L .
How to: Compression test and specs
How To Test Engine Compression (1991
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A 2002 Ford Explorer 4.0 V6 with an idle quality complaint and intermittent misfire is diagnosed using a PicoScope automotive oscilloscope. . The next step I take is to gauge the health of the engine, so a relative compression test was next on the list. Pico Technology have a diagnostic software of their own, and it performs a relative . I believe I know the answers but I need to hear it confirmed before I pronounce it dead. 02 xlt with v-6 , vin E, 169k auto tran Compression check on the center left bank cylinder was 126 lbs. Repeated test got 65 on same cylinder. Hearing click sound some times on turning over, sometimes not. hydraulic tensioners when they run out of oil (to hold pressure on the chain) become loose and until you have oil pressure you have chains slapping around which is what breaks guides. with mechanical tensioner its set and forget, pressure on the chain will be the same, reducing (or elimination?) chain slap. the 00m12 rod does a similar thing by trying to .
SOHC V6 Torque Specifications Nice going! Another low cost, creative "precision tool". I've posted most of the SOHC V6 torque values: SOHC V6 Torque Specifications I started with the Haynes values because they were easily available. Now I'm comparing them to my workshop manual and correcting as required. P0301 is a fairly common trouble code with the Ford Explorer. It's an OBD2 code and indicates that your vehicle’s first cylinder is misfiring. . The P0301 trouble code will trigger your Explorer’s check engine light. The vehicle itself may begin to run rough. It depends on how serious the misfire is. . Do a compression test. Perform a . Effective Compression 42.69319728 (Okay, this is a little much) A motor with 8:1 compression running 18 lbs boost VS a 9.5:1 compression motor running 12 lbs boost will have almost the same effective compression and about the same peak power. The big difference will be where you see the power, and how much of a demand will be placed on the .
Explorer Maintenance - Modifications - Performance Upgrades - Problem Solving . Engine not running MAF sensor test If your engine runs better with the MAF sensor disconnected that is a fairly good indication the sensor is bad. The PCM is reverting to stored parameters and ignoring what it thinks is bad data from the MAF sensor . Are you sure that your engine is the SOHC V6 and not the OHV V6? There is no engine coolant in the SOHC V6 upper or lower intake manifolds. However, there is coolant in the OHV V6 intake manifold. Check your VIN. If the 8th digit is an "E" then you have the SOHC. If the 8th digit is an "X" you have the OHV. The SOHC V6 has a "plastic .
Going through a compression test on the Explorer to figure out if the engine is shot. Spoiler alert! It is.
2001 Ford Explorer Sport 4.0 sohc engine. Mods include: dual 40 series flowmasters & high flow k&n air filter & removed silencer & yellow fog lights (sold for ,800) as of 2-26-12. . 2000 sohc v6 If your engine looks like mine used to . That's a good thought, Ill check that out. I did smell a little bit of fuel while doing a compression test but I had figured that was due to not all of the fuel being out of the rail while cranking. Compression test results: 1 - 120psi 2 - 120psi 3 - 120psi 4 - 120psi 5 - 90psi 6 - 120psi Going to do a wet compression test tonight when I get . Have problems with your Ford 4.0 SOHC Cologne V6 Engine? Learn the most common that you may encounter and learn possible solutions to solve the problem. . 02 Explorer/Mountaineer with engine codes 2G-960-AA and 2G-964-AA; All 2001-02 Ranger; Crankshaft and Harmonic balancer slack and separation problem.
4.0L SOHC Engine Swap. 97/98/99/00/01/02/03 Motor Interchange (w/ photos) Hey all, I have a clean '98 Explorer 4x4 w/ a 3" body lift on 30" Cross Terrains. At about 150k it started a rattle in the rear cassette. New tensioners didn't help & I opted not to pull the motor, buy the tools, and change out the timing cassettes. 4.0 SOHC Supercharger Kit - 02-05 Sport Tracs/2dr Sports. Thread starter moddbox; Start date January 24 . but I haven't seen a complete and thorough "how to" supercharger install for the 4.0L SOHC engine (specifically for Ford Ranger/2dr Explorer/Sport Trac & B4000). . Here's a road test of the 3.5 psi pulley equipped with no cooling . It still has the original head and block internals and they seem to be holding up although the compression test results are a little low. I plan to keep the vehicle probably for as long as I can drive (I'm 69 years old) and will rebuild the engine as soon as I think it is needed. . The SOHC V6 is an interference engine meaning that when the . camshaft journal to bearing clearance I just checked my workshop manual CD and confirmed that the camshaft roller followers are supposed to be removed before removing the camshaft timing chain tensioner and the camshaft bearing caps. The bearing cap bolt loosening and tightening order is shown below. Rear 8 6 2 4 3 1 5 7 Front The bearing caps should be .
Ford Explorer II 4.0 V6 Engine Technical Data. Engine type - Number of cylinders : V 6 Engine Code : - Fuel type : Petrol Fuel System : . Compression Ratio : 9.0 Horsepower : 204 HP / 207 PS / 152 kW @ 5000 rpm Maximum torque : 250 lb-ft .
TEST 1: Dry Engine Compression Test Testing the engine compression of the 3 cylinders that face the firewall of your 3.1L or 3.4L GM car or mini-van (Chevrolet, Buick, Oldsmobile, or Pontiac) can be quite a challenge, since removing those spark plugs is not the easiest thing in the world.
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Compression Info 4.0L SOHC
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02 explorer v6 sohc engine compression testing|Compression Info 4.0L SOHC