Thick white smoke from tail pipe when start car

2004 HYUNDAI ELANTRA
94,300 MILES • 4 CYL • 2WD • AUTOMATIC
Avatar
CHARAN
  • MEMBER
  • 1 POST
This happens when I start my car first time in the day. It smokes a lot for a minute but then becomes normal. I believe this could be head gasket. Is this something I can repair myself? If so wondering if you can provide any link for help.
Many thanks.
Dec 21, 2020 at 12:57 PM
Advertisement
Avatar
ASEMASTER6371
  • CERTIFIED EXPERT
  • 52,796 POSTS
Good afternoon,

This is a major job as the cylinder head must be removed, and sent out to be sure there is no cracks

https://www.2carpros.com/articles/white-smoke-or-steam-coming-from-the-exhaust-pipe

https://www.2carpros.com/articles/how-a-cylinder-head-works

Then you need to find out why it failed. The head gasket is a result of overheating, not the cause of overheating.

https://www.2carpros.com/articles/engine-overheating-or-running-hot

Attached is the procedure for you for the repair.

Roy

1. Remove the heat shield (A).
2. Disconnect the AFS connector.
3. Disconnect the breather hose from air cleaner hose.
4. Remove the intake air hose and air cleaner assembly


imageOpen In New TabZoom/Print


5. Remove the upper radiator hose (A) and lower radiator hose (B).


imageOpen In New TabZoom/Print


6. Remove the heater hoses (A).
7. Remove the engine wire harness connectors and wire harness clamps from the cylinder head and the intake manifold.
1. Oil control Valve (OCV) connector (A).
2. Oil temperature sensor connector (B).
3. Engine Coolant Temperature (ECT) sensor connector (C).


imageOpen In New TabZoom/Print


4. Ignition coil connector (D).
5. Throttle Position Sensor (TPS) connector (A).


imageOpen In New TabZoom/Print


6. Idle Speed Actuator (ISA) connector (B).
7. Camshaft Position Sensor (CMP) connector (A).
8. Four fuel injector connectors (B).
9. Knock sensor connector (C).


imageOpen In New TabZoom/Print


10. Disconnect ground cable (D) from the intake manifold.


imageOpen In New TabZoom/Print


11. Front heated oxygen sensor connector (A).


imageOpen In New TabZoom/Print


12. Purge Control Solenoid Valve (PCSV) connector (A).


imageOpen In New TabZoom/Print


8. Remove the fuel inlet hose (A) from delivery pipe.


imageOpen In New TabZoom/Print


9. Remove the PCSV hose (A).


imageOpen In New TabZoom/Print


10. Remove the brake booster vacuum hose (A).
11. Remove the accelerator cable by loosening the lock nut, then slip the cable end out of the throttle linkage.
12. Remove the power steering pump.


imageOpen In New TabZoom/Print


13. Remove the power steering pump bracket bolts (A).
14. Remove the spark plug cable.
15. Remove the PCV hose.
16. Remove the cylinder head cover.
17. Remove the timing belt.
18. Remove the exhaust manifold.
19. Remove the intake manifold.
20. Remove the camshaft sprocket.


imageOpen In New TabZoom/Print


21. Remove the timing chain auto tensioner (A).


imageOpen In New TabZoom/Print


22. Remove the camshaft bearing caps (A) and camshafts (B).


imageOpen In New TabZoom/Print


23. Remove the OCV (oil control valve) (A).


imageOpen In New TabZoom/Print


24. Remove the OCV (oil control valve) filter (A).


imageOpen In New TabZoom/Print


25. Remove the cylinder head bolts, then remove the cylinder head.
1. Using 8 mm and 10 mm hexagon wrench, uniformly loosen and remove the 10 cylinder head bolts, in several passes, in the sequence shown. Remove the 10 cylinder head bolts and plate washers.

CAUTION: Head warpage or cracking could result from removing bolts in an incorrect order.

2. Lift the cylinder head from the dowels on the cylinder block and replace the cylinder head on wooden blocks on a bench.

CAUTION: Be careful not to damage the contact surfaces of the cylinder head and cylinder block.
Dec 21, 2020 at 2:10 PM