Question about Chevrolet Blazer

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Replaced intake and and drove and after a week engine making noise

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  • Anonymous Mar 28, 2009

    Have 97 chevy lumina 3.1, got intake replaced and now my car has a ticking noise and it doesnt want to run when i push on the gas pedal.. My car is also shaking bad.

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I do not have a year or motor size so I am going to guess 1990 350 V-8. Here could be a reason for a knocking motor. In order to replace your intake you had to pull your distributor. The shaft on the bottom of the distributor fits into a forked type shaft that is connected by a nylon sleeve and It turns the oil pump. All this is turned by the gearing on the distributor. If you did not stab the fork when you where installing the distributor or broke the nylon sleeve that fits to the oil pump then you were not turning the oil pump and this would cause your motor to not lubricate itself. To do a quick check remove one of your valve covers and turn you vehicle on and see if oil is squirting out of the rocker arm holes. This will tell you very fast if you are getting oil throughout the motor. Good luck and I hope for the best.
Dreamweaver1

Posted on Jul 26, 2008

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PLEASE READ ALL THIS INFO.

MAKE SURE THE ENGINE OIL IS CLEAN AND CHANGED AT PROPER INTERVALS
P0011 NISSAN - Intake Valve Timing Control Performance Bank 1

Symptoms - Engine Light ON (or Service Engine Soon Warning Light)
- Possible engine lack/loss of power
- Posssible engine rough idle
Possible causes - Harness or connectors
- Intake valve timing control solenoid valve circuit is open or shorted
- Intake valve timing control solenoid valve may be faulty
- Crankshaft position sensor (POS) may be faulty
- Camshaft position sensor
Tech notes Since the Intake valve timing control solenoid valve uses oil flow to control timing, dirty oil can cause the valve to stuck open or close. Before replacing the valve, change engine oil and filter and reset engine code. When is the code detected? When there is a gap between angle of target and phase-control angle degree, the valve will stop working and the ECM will trigger the P0011 code. P0011 NISSAN Description This 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.
MAKE SURE YOUR OIL IS CLEAN AND CHANGED AT PROPER INTERVALS.

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the damage could have been caused by the leaky intake. you may not have caught it in time. if coolant was getting into the oil(mixing) it will wipe out your bearings. that being true..it is also true that they could have caused the problem in a few ways. it would be very hard to prove, due to the fact that you did have an intake problem. hope this helps

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