Question about 2002 Saturn L-Series

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Not getting oil up to the cams want to know how the oil flows so i can eliminate problem

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Good evening, The quickest way to try and improve oil getting to the top of the motor is by doing a flush on the enging oil. use a good name brand flush such as STP or such and then use a good oil like Castrol. Worst case scenerio is the motor could be to sludged from lack of oil changes and your oil pump screen coul be getting plugged up, which is located inside the oil pan. Hope this helps.

Posted on Oct 01, 2009

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How about some history, it helps to tell everything you know that has been done. I know you didnt just wake up and take the valve cover off and say" theres no oil on my cams"

Posted on Oct 01, 2009


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Need to know how to test oil flow on my merc sn# 0G298881. Thanks

no way to test oil flow as the system is sealed
however you can check oil pressure and that will indicate the oil flow from the pump
as pressure is a product of flow against restriction, low oil pressure indicates high flow rates with no restrictions or low flow rates with no restrictions
use a mechanical gauge , get the oil pressure specs and check the pressures at idle and then again at around the 2500 rpms mark
if the pressure falls within the specs then the oil flow will be correct

Apr 04, 2017 | Cars & Trucks


Understanding Variable Camshaft Timing (VCT)

Variable Camshaft Timing
With all of the gadgets on cars today, most of us find enough to boggle our minds inside of the passenger compartment let alone what's under the hood. Recently, many manufacturers have moved torward VCT's to improve performance, emissions and to eliminate other components. Let's start with the EGR valve or exhaust gas recirculation system. By installing a variable camshaft system on the exhaust camshaft, the manufacturers were able to eliminate the EGR valve, save money, and lower emissions.

VCT's have been installed on exhaust cams, intake cams, both cams and single overhead cams. The system is operated by using engine oil pressure to move a phaser that is mounted to the end of the camshaft and adjusts the camshaft timing while the engine is running. This is a brilliant system and the performance gained is amazing. The oil that is pressurized by the oil pump moves through oil channels to a solenoid that is controlled by the vehicles computer. The computer takes input signals from various sensors, processes the information and sends a signal to the solenoid that operates the cam phaser and in turn, adjusts the camshaft as needed.

How can I keep my variable camshaft system in good working order?
The best way to keep your VCT system is good condition is to perform regular oil changes and use a factory approved oil filter. Use of an aftermarket filter that is not factory approved can damage your engine. The material that makes up the internal portion of the filter must meet strict guidelines to assure that the material doesn't break away and enter the engines oil channels. This could block the oils path to the camshaft phaser and cause conditions such as rough running, noise and poor emissions/fuel economy. Dirty oil is a VCT's worse enemy. A few dollars extra can save thousands in repairs.

on Apr 12, 2011 | Ford F Cars & Trucks

1 Answer

Location 2004 egr valve on chey colardo

Doesn't have one , not needed with Camshaft Actuator System
The camshaft position (CMP) actuator system is used for a variety of engine performance enhancements. These enhancements include lower emission output through exhaust gas recirculation (EGR) control, a wider engine torque range, improved gas millage, and improved engine idle stability. The CMP actuator system accomplishes this by controlling the amount of intake and exhaust valve overlap.
The camshaft position (CMP) actuator system is controlled by the powertrain control module (PCM). The PCM sends a pulse width modulated 12-volt signal to a CMP actuator solenoid in order to control the amount of engine oil flow to a Cam Phaser passage. There are 2 different passages for oil to flow through, a passage for cam advance and a passage for cam retard. The Cam Phaser is attached to a camshaft and is hydraulically operated in order to change the angle of the camshaft relative to crankshaft position (CKP). Engine oil pressure (EOP), viscosity, temperature and engine oil level can have an adverse affect on Cam Phaser performance. The PCM calculates the optimum cam position through the following inputs:

Jan 06, 2013 | 2004 Chevrolet Colorado

1 Answer

My cam shaft is running dry on exhaust port of cyl 1. can I fix it without removing the cyl head

You seem pretty capable if you were able to do all that but yet you don't know if you will have to remove the head to fix? Who cares, you can have that head off in no time if you have been able to complete your diagnosis correctly I'm assuming up to this point, so yes I would start with the head and go from there. You are not getting oil pressure to there for a reason. And 9 times out of ten when you have a ticking sound with no oil you are in need of at least head work, so new head gaskets, head rebuild at least, timing chain, oil pump , water pump do it all while there, hopefully that is the worst case scenario. But from what you have stayed about everything you have done so far, I think you are well aware of what is next.
Now, that said, find why you are not getting oil there, pressure test? What is your oil pressure? How's the pump? Is there a good upgrade available? Who knows, it could blow it open, I've done it many times. And maybe oil in there stops tick. But I doubt it sorry to say. Most engine components get a little feisty without that miracle viscous liquid we all here so much about. Thanks Obama!!! Just kidding.. But anyway if you can, check pressure, I don't think timing is an issue, unlikely cam issue, more likely a pressure/ flow / pump issue but sorry to say that the tick is the result of the problem and not the symptom so to say

Oct 22, 2017 | 2007 Chevrolet Spark Hatch

1 Answer

Nissan altama 2005 3.5 l v6 problems are running smooth when engine is cold 5-10 min there us a problem with engine vibrations on the stop i get the trouble code which is po0011

Here is the definition. You may want to do some research on the code and the valve that controls cam timing.

P0011 NISSAN Description This valve mechanism hydraulically controls cam phases continuously with the fixed operating angle of the intake valve.

The ECM receives signals such as crankshaft position, camshaft position, engine speed, and engine coolant temperature. Then, the ECM sends ON/OFF pulse duty signals to the intake valve timing control solenoid valve depending on driving status. This makes it possible to control the shut/open timing of the intake valve to increase engine torque in low/mid speed range and output in high-speed range.

The intake valve timing control solenoid valve changes the oil amount and direction of flow through intake valve timing control unit or stops oil flow. The longer pulse width advances valve angle. The shorter pulse width retards valve angle. When ON and OFF pulse widths become equal, the solenoid valve stops oil pressure flow to fix the intake valve angle at the control position.
Read more:

Sep 12, 2012 | 2006 Nissan Xterra

1 Answer

My 98 mystique has ck engine light on and codes 1381, which says my exhaust cam is over-retarded. this 2.0 has a varible camshaft timing unit on the front of the exhaust cam. How can I fix this

A lot depends on the circumstances. Was the timing belt replaced just before this code showed up? IIf so, the problem is that the timing belt was not installed correctly. (Special tools are REQUIRED to get it into proper timing.) It could also be the timing belt may be stretching and getting ready to break - especially if it has been more than 60,000 miles since it has been replaced.

If the timing belt is in good condition and has not recently been replaced, then the first thing to check would be your engine oil. It needs to be the correct oil (viscosity) for your engine and must be filled to the proper level. The cam actuator is operated by engine oil pressure and anything that can affect oil pressure will affect your cam timing.

The next thing to check would be the cam actuator solenoid. I have seen the filter screens on the tip of the solenoid come apart and cause the cam actuator to stick. In this case, the solenoid must be replaced and the actuator must be cleared of any debris and/or replaced to get it working properly. I have had some luck "saving" the actuator by removing it and clearing debris by blowing compressed air through the oil ports. Pieces of filter screen (from the solenoid) came out the last time I did this. I reinstalled with a new solenoid and everything workED.

NOTE: You will have to go to Ford for any parts related to this system. The aftermarket parts suppliers do not even list these parts. In fact, their catalogs list EGR valves and EGR sensors - it doesn't even have an EGR valve. (The variable cam timing eliminates the need for an EGR valve.)

Jul 06, 2011 | 1998 Mercury Mystique

1 Answer

Want to eliminate oil lines is there a way to plug lines on block

This all depends on what year and model car or truck but i wouldnt plug them the oil cooler is needed thats why its there,and also you would need the oil to flow im not sure what this is but the oil would have to flow around somehow without the lines,

Dec 10, 2010 | GMC K2500 Cars & Trucks

1 Answer

I have a 2005 F150 5.4 litre. My oil pressure guage says the pressure is fine. Quite often, my truck simply just dies and the warning info. comes on saying I have low oil pressure ?? Could this be caused...

Hello, The oil pressure sender is a possibility. Testing the old one wouldn't be worth it as these parts are inexpensive. You may want to contact the Dealer with your Vin# about "Cam Phasers". It is also possible the "idle motor" ISO is letting the RPM drop too low which affects the oil pressure.

Back to the "Cam Phasers", for a few years on DOHC, double cam engines, as these parts wore there were problems with timing, noise and idle. These parts worked with oil flow. Since you are getting a low oil flow and a dying engine it would be good to have this part checked. It is important to use the correct oil and filter to maintain the function of the "Cam Phasers". There is an extended warranty for this problem which I believe runs 7 years.

Aug 21, 2010 | 2005 Ford F-150

3 Answers

What type of oil goes into a 02 grand prix.. Hubby is gone and oil is low

5-30 motor oil in cold weather or i use mobile 1 synthetic in all of my stuff $$ if car is out of oil do NOT DRIVE IT . ADD OIL FIRST !! If its just low go to your local auto parts store have them show you how to add oil they will in most cases be glad to show you how easy it cam be ..

Feb 14, 2010 | 2002 Pontiac Grand Prix

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