2003 CHEVROLET ASTRO spark plugs

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Page 224 of 386

CHEVROLET ASTRO 2003  Owners Manual Some  gasolines  that  are not reformulated for  low 
emissions  may  contain an octane-enhancing additive 
called  methylcyclopentadienyl  manganese tricarbonyl 
(MMT);  ask  the attendant  where  yo

Page 318 of 386

CHEVROLET ASTRO 2003  Owners Manual Normal  Maintenance  Replacement  Parts 
Replacement  part  numbers listed in this section are based on  the latest information available  at the time of printing, 
and  are  subject  to  change. 
If

Page 337 of 386

CHEVROLET ASTRO 2003  Owners Manual 100,000 Miles (166 000 km) 
0 Inspect spark plug wires. An  Emission  Control 
Service. 
0 Replace  spark  plugs. An Emission  Control  Service. 
0 If  you  haven’t used your vehicle  under severe s

Page 344 of 386

CHEVROLET ASTRO 2003  Owners Manual 97,500  Miles (162 500 km) 
U Change engine oil and filter  (or every 12 months, 
0 Lubricate chassis  components  (or every 12 months, 
0 Check readfront  axle fluid level and  add fluid  as 
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