How do you know when your glow plugs need to be changed? Whats the purpose of a glow plug? Thanks
J jay786 Registered User Joined Feb 10, 2012 Messages 91 Reaction score 0 Points 6 Location London Feb 22, 2012 #1 How do you know when your glow plugs need to be changed? Whats the purpose of a glow plug? Thanks
quattrojames Moderator Staff member Moderator Joined Mar 28, 2008 Messages 14,078 Reaction score 599 Points 113 Location Dorset Feb 22, 2012 #2 The glow plugs pre-heat the chamber to enable the diesel to combust easier as it enters the cylinder. They're normally replaced when the car turns over several times before starting. Last edited: Feb 22, 2012
The glow plugs pre-heat the chamber to enable the diesel to combust easier as it enters the cylinder. They're normally replaced when the car turns over several times before starting.
P PhilW Registered User Joined Jul 7, 2010 Messages 181 Reaction score 6 Points 18 Location NULL Feb 23, 2012 #3 quattrojames said: The glow plugs pre-heat the chamber to enable the diesel to combust easier as it enters the cylinder. They're normally replaced when the car turns over several times before starting. Click to expand... Does it crank over quickly too many times before starting or is the cranking slower? Mine cranks quickly then just about starts.
quattrojames said: The glow plugs pre-heat the chamber to enable the diesel to combust easier as it enters the cylinder. They're normally replaced when the car turns over several times before starting. Click to expand... Does it crank over quickly too many times before starting or is the cranking slower? Mine cranks quickly then just about starts.
S stu_m Well-Known Member VCDS Map User Joined Oct 25, 2009 Messages 1,443 Reaction score 41 Points 48 Location Hull Feb 23, 2012 #4 Before replacing the glow plugs just try this Put the side lights on before trying to start There is a common problem with the headlight switch that causes the car to turn over a few times before it will start
Before replacing the glow plugs just try this Put the side lights on before trying to start There is a common problem with the headlight switch that causes the car to turn over a few times before it will start
quattrojames Moderator Staff member Moderator Joined Mar 28, 2008 Messages 14,078 Reaction score 599 Points 113 Location Dorset Feb 23, 2012 #5 PhilW said: Does it crank over quickly too many times before starting or is the cranking slower? Mine cranks quickly then just about starts. Click to expand... The glowplugs won't affect the cracking speed, thats more battery dependant.
PhilW said: Does it crank over quickly too many times before starting or is the cranking slower? Mine cranks quickly then just about starts. Click to expand... The glowplugs won't affect the cracking speed, thats more battery dependant.