Fix gti

Asked by Jun 08, 2017 at 06:50 PM about the 1998 Volkswagen GTI Base

Question type: Maintenance & Repair

My 98 gti mk3 has a 2.0 l it idles fine until I
turn on the a.c. then it idles up an down can
y'all help

1 Answer

10,165

the ac is taking to much load so its causing a power drain that the car has to makup for. this is ussaly caused by a ac pump clutch going bad a fan clutch going bad or a altanator that needs new points. i ussaly recomend keeping the altanator the car has already and get it rebuilt i went threw 4 of them due to improper rebuilds i woulda had mine rebuilt but the core was cracked and the inner copper rings were warped and rusted out. so no chance of rebuild for mine. this is the ussal causes from my perspective.

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