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David Aragon

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  • in reply to: GM W body cars, 3100 3400 SFI, 3800 engines #863223
    David AragonDavid Aragon
    Participant

      Over the past 16 years with my parent’s 2000 Impala LS and Monte Carlo LS, 3.8L and 3.4L in each. Both of these cars have defective ignition switches and hazard lights, and replaced the one in the Impala since it wouldn’t start anymore. The hazards were replaced as well. Also the transaxle in the Monte since 2002 when they got it has been shuddering since then. Fluid is fine, shifts fine, besides the shuddering and has under 170K; still annoys me why I can’t get that car to stop shuddering during accelerating in any throttle position.

      Also the Impala hit a deer going 75 mph and was since totaled years ago, still have the Monte Carlo. Looking for a driver’s door for the Monte due to a theft and the window doesn’t work at all.

      in reply to: 1990 Ford 250 4×4 #863215
      David AragonDavid Aragon
      Participant

        That has happened to me in a Caprice and a Jeep, the lock cylinder in the column gets worn out and the little gear and rod get off of “time”. The gear shift on the column becomes difficult to move past a certain point and cannot start without bypassing the ignition switch to crank the engine either at the starter or the crank solenoid.

        in reply to: PCV valve and oil consumption #863214
        David AragonDavid Aragon
        Participant

          I would think it would lead to an excess of blow by, the upper part of the engine is surrounded by a mist of oil and it goes into the clean air intake of the PCV system. The valve cover has diffusers build into the top to separate the oil from the air before it goes into the PCV valve. The clean air intake usually does not have a baffle when entering.

          in reply to: Buying a USED CAR #863213
          David AragonDavid Aragon
          Participant

            Simply any compact, midsize car from a Japanese car maker will do it for you. I have dealt with an HHR/Cobalt, W/B/G body GM cars, Full size GM trucks and I wouldn’t recommend a truck unless you’re hauling stuff. Also like the previous poster, stay away from SUVs or crossovers for long drives and said GM/Chrysler vehicles.

            The best cars I have worked on the ones I have taken cross country with, a 2005 Toyota Avalon and 2007 Tacoma.

            in reply to: 2000 Honda Civic #863212
            David AragonDavid Aragon
            Participant

              I would check if there are any air pockets left in the engine. Like in the video above, many vehicles have air bleeds to do this real easy. Also reconnect the heater as if not properly bypassed can lead to overheating, as when the thermostat is closed, the coolant sometimes does goes via the heater core.

              in reply to: First oil change on a brand new car #585058
              David AragonDavid Aragon
              Participant

                Before people start on the whole the 3k vs. 7.5k oil change intervals. The new car does not need to have it’s oil changed until either oil change indicator is lit, or 6 months have passed since purchase. I have never had any problems with any of my cars going 7.5k-15k oil intervals using quality OEM spec oils and OEM spec filters.

                I would only do change the oil and filter after 500 miles if the engine has been rebuilt, not new.

                in reply to: First oil change on a brand new car #592220
                David AragonDavid Aragon
                Participant

                  Before people start on the whole the 3k vs. 7.5k oil change intervals. The new car does not need to have it’s oil changed until either oil change indicator is lit, or 6 months have passed since purchase. I have never had any problems with any of my cars going 7.5k-15k oil intervals using quality OEM spec oils and OEM spec filters.

                  I would only do change the oil and filter after 500 miles if the engine has been rebuilt, not new.

                  in reply to: 2003 Chevy Avalanche 4×4 Z71 Tapping #585056
                  David AragonDavid Aragon
                  Participant

                    The easiest way is to remove the coil pack, the valve cover and check the valve lash. I would hand crank the engine for each cylinder is at TDC, meaning both valves are closed, see if there is any play while moving the pushrods up and down. If there is any play, turn the rocker pivot nut until there is no play and add 1/2 turn to set correct lash. If that does not fix the tapping, then you have to go further and remove intake manifold to reach the valley to the bad lifters. Inspect the lifters for and wear on the rollers, pitting or other damage. If there is any pitting or damage on the rollers, time to install a new camshaft and lifters.

                    in reply to: 2003 Chevy Avalanche 4×4 Z71 Tapping #592218
                    David AragonDavid Aragon
                    Participant

                      The easiest way is to remove the coil pack, the valve cover and check the valve lash. I would hand crank the engine for each cylinder is at TDC, meaning both valves are closed, see if there is any play while moving the pushrods up and down. If there is any play, turn the rocker pivot nut until there is no play and add 1/2 turn to set correct lash. If that does not fix the tapping, then you have to go further and remove intake manifold to reach the valley to the bad lifters. Inspect the lifters for and wear on the rollers, pitting or other damage. If there is any pitting or damage on the rollers, time to install a new camshaft and lifters.

                      in reply to: Subaru Legacy 3.0R White Smoke From Exhaust #581680
                      David AragonDavid Aragon
                      Participant

                        Oil control problem and possibly water entering the engine, I would check if any oil is being fed from the PCV system, or water and oil from the head gasket.

                        in reply to: Subaru Legacy 3.0R White Smoke From Exhaust #588557
                        David AragonDavid Aragon
                        Participant

                          Oil control problem and possibly water entering the engine, I would check if any oil is being fed from the PCV system, or water and oil from the head gasket.

                          in reply to: Alternator noise? #581661
                          David AragonDavid Aragon
                          Participant

                            I would check the belt, pulley and alignment of the parts.

                            in reply to: Alternator noise? #588525
                            David AragonDavid Aragon
                            Participant

                              I would check the belt, pulley and alignment of the parts.

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