Hey,
I'm about to change the glow plugs on my 300D. One mechanic told me to use a reamer to clean out the carbon deposits, another told me it's not necessary. What would you do? Your votes determine how I'll do it. Thanks.

Alex

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1983 300D (parked for four years)
2012 VW Sportwagen TDI Manual
2001 Miata SE
1962 Chevrolet Corvair Rampside