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Engine Gasket Trouble Tracer

  1. Combustion Leakage

Typical Appearance

Hard blackened face

Surface cracks

Discoloured eyelets

Grooves

Bulges

 

Cause

Leakage of combustion gases as a result of :

Insufficient clamping load

Rough

 

  1. Insufficient Torque

Typical Appearance

Displacement of gasket material

Cracking of bore eyelets

Few or no compression marks on facing

Gasket thickness nearly same as newgasket

 

Cause

Adding sealant during gasket installation

Head bolt problems

Tightening, damage and dirty threads

Bolt not re-torqued

 

  1. Coolant Seepage

Typical appearance

White residue covers water jacket areas

Grooves

Bulges

 

Cause

Chemical attack from coolant additive ( interior quality gaskets are especially prone to coolant.

 

  1. Corrosion

Typical appearance

Disintergration of gasket through to the steel core

Corrosion around the coolant passages

Split jacket eyelets

Brown marks left by corroded

 

Cause

Coolant not/inadequately  treated with corrosion inhibitor(especially with aluminium heads)

 

  1. Detonation/ Pre-Ignition

Typical appearance

Gasket material burned away between bores/problem areas

Discoloured eyelets

Combustion leakage parts

 

Cause

High compression ratio

Advanced ignition settings

Wrong fuel/air ratio

Octane ratio too low

 

Cause (Pre Ignition)        

Octane rating too low

Hot spot in combustion chamber

Wrong spark plug heat range

Incorrect camshaft timing

Insufficient cooling system causing localised overheating

 

  1. Split Bore Culot Rings

Typical Appearance

Displacement of gasket material

Cracked bore eyelets

Hard blackened face with cracks, etc.

 

Vagspeccentre Menlyn has all the dealer equipment to make sure that your engine is in tip top condition when it leaves the workshop.

 

Trust the VW and Audi Specialist!

Trust Vagspeccentre Nelspruit!

Because we are the best and we know it.

 

 

 

 


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