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1991 Oldsmobile Bravada Engine timing

Tiny
RAYMONDW
  • MEMBER
  • 1991 OLDSMOBILE BRAVADA
Engine Performance problem
1991 Oldsmobile Bravada 6 cyl All Wheel Drive Automatic 80K miles

Are there any vacuum or other hoses that need to be disconnected and plugged when do engine timing on a 1991 Bravada?
Monday, March 16th, 2009 AT 7:46 PM

3 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Need to know if engine is 2.8L, 3.1L or 4.3L
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Tuesday, March 17th, 2009 AT 2:51 PM
Tiny
RAYMONDW
  • MEMBER
  • 2 POSTS
4.3L
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Tuesday, March 17th, 2009 AT 5:15 PM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Disconnect Tan/Black Electronic Spark Timimg by-pass connector wire located near heater housing or near distributor or near electrical junction box cover, GM liked to move it around. DO NOT remove 4-wire connector to Dist. Time reconnect EST and clear ECM
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Thursday, March 19th, 2009 AT 8:17 AM

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