Buick RIVIERA 1993 Owner Manual

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conditioning condenser. Wash the pressure cap and neck.

To help ensure proper coloration. we recommend rt pressure test of both the coolng system and the pressure cap.

. 'Ii'nnnnxle Service -- Change both the fluid and filter every 15,000 miles (25 (Ill) km} if the vehicle is mainly driven under one or more of these conditions:

0 In heart}l cit};r traffic where the outside temperature regular-l5r reaches 90° F {32°C} or higher.

0 In hilly or mountainous terrain.

0 Uses such as found in taxi. police car or delivery service.

If you do not use your vehicle under am,I of these conditions. change hot]: the fluid and filter over}- [00.000 miles {U50 DUI} km].

. Spark Plug Replacement!" -. Replace spark plugs with the proper mic. See “Specifications Chart" in the Index.

NIEI'ninhn Chanel Sen-inc.

9. Spark Plug ere lnslmllon‘l‘ -- Inspect for burns. cracks or other damage. Check. the boot fit at the distributor and at the spark plugs. Replace wires as needed.

[0. Air Cleaner Filter Replacemenl' -- Replace every sumo miles {50 001} ion} or more often under dust},r

conditions. Ask your dealer for the proper replacement intervals for your driving conditions.

1|..mrmaaruuaianmneanzt ~- Inspect fuel tank. cap and lines [including fuel rails and injection assembly. il‘equipped} for damage or leaks. Inspect fuel cap gasket for an even filler neck imprint or any damage. Replace parts as needed. Periodic replacement of the fuel filter is not required.

1' 11:13.5. Envrrorl'ner'ull’mmmnjueynu momma-meme ratlurern rert'rrrln mir mllnrttrttrmenem Wiltrwnrrllrrwhc errtrrdlrrrrrwmmry drrilrn'inmenll ltnhrllypwtodreeanpleum nt'vdticlr usefulLiFe.Gen.er1.l Roux from. ur'pertlhm Irll recommended we service be per'l'nrn'red l1l meindiunertnnmnk art-idle I'I1.I.ll1l.:|'l.l'l'lt\e be remitted in "Serum E:lrr'|nintr:ntr.nr:rrltom'tl"


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