C0637 Hyundai Hcd DTC Code

Hyundai Hcd Engine Specifications:

Engine Type :	Multi-Cylinder Engine
Cylinder Type :	W-Type Engine
Engine Air Intake Process :	Supercharged Engine

Your Hyundai Hcd engine control system detects a problem, the computer stores the diagnostic trouble code C0637 in its memory. To figure out what is wrong with your vehicle you must first extract the C0637 DTC For Hyundai Hcd.

To solve C0637 Hyundai Hcd problem, you'll have to remove the muffler, crankcase and other components blocking the valve chamber. Then, remove the cylinder head bolts (label for easy re-installation) Adjust the jaws of the valve spring compressor until they touch the top and bottom of the valve chamber Push the tool in to compress the spring and tighten the jaws Remove the retainers and lift out the valves , compressors and springs

C0637 Hyundai Hcd DTC Meaning

C	Chassis Code - Problem is controller area network wiring bus and modules.
0	SAE - Generic
6	Vehicle Speed Control And Idle Control System
3	Low Coolant Circuit
7	Cruise Control System - Vehicle Accel Too High

There are currently two main types of cylinder deactivation used today, depending on the type of engine. C0637 Hyundai Hcd code for the pushrod design which uses solenoids to alter the oil pressure delivered to the lifters. In their collapsed state, the lifters are unable to elevate their companion pushrods under the valve rocker arms, resulting in valves that cannot be actuated and remain closed.