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Help with `84 Cutlass

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Old Dec 8, 2025 | 06:46 PM
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lerfet's Avatar
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Help with `84 Cutlass

Ill get right to a point, I work in a repair shop and we have a nightmare 84 Cutlass in here. It's some special one and has the 3.0 v6. Thing is overheating and we need to change the coolant temp sensor but somehow can't find it.
Any help would be incredible. thanks!
Old Dec 8, 2025 | 08:15 PM
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Cutlass Ciera 3.0 V6 or Cutlass 3.8 V6 ?

Either way they are Buick engines.
Old Dec 8, 2025 | 09:04 PM
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Assuming its the LK9, number 64 below is the coolant sensor.

https://nemigaparts.com/cat_spares/e...oogle_vignette

Chilton's General Motors Celebrity/Century/Cutlass Ciera/6000 1982-92 repair manual
https://archive.org/details/chiltons...ge/n9/mode/2up

Old Dec 9, 2025 | 05:53 AM
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From: Northern VA
Originally Posted by lerfet
Ill get right to a point, I work in a repair shop and we have a nightmare 84 Cutlass in here. It's some special one and has the 3.0 v6. Thing is overheating and we need to change the coolant temp sensor but somehow can't find it.
Any help would be incredible. thanks!
In the 1980s, Olds slapped the "Cutlass" name on many of the different cars they built. You need to be more specific about the car, like for starters, is the the FWD Cutlass Ciera or the RWD Cutlass? What makes it a "special" one? The mind reading thing still isn't working. Photos would help.
Old Dec 9, 2025 | 02:22 PM
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Probably talking about this one...

84 only on the Supreme, had a few special touches on it, like special "Firemist" paint (2 colors available) and 3 "special edition" emblems, 2 on the sail panels and one on the dash.
If SSII's were ordered, they came painted the special body color if red or black if medium sand gray.





One funky thing was the pinstripes around the wheel wells and the upper side pinstripes that went around the front header instead of stopping at the front on either side of the header.
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Firemist Paint, avaiable in either #74 Autumn Red Firemist or #87 Medium Sandgrey Firemist
Regency Trimi Winslow Velour trim avaiable in either
Dark Maple (W5- notchback bench-std) or (X5-divided split with dual controls AM6 )
Sand Gray (W1- notchback bench-std) or (X1-divided split with dual controls AM6 )
Specific accent stripe design of either gold or silver, The specialstriping includes both hood,rear deck, over wheelopenings, in additon to sides.
Locking simulated Wire Wheel discs (W91) perferred choice in the elegance package but the new SS Chromewheels (N66) maybe selected at the same cost.
If you choose SS Chrome wheels they were color cordinated with the Aut Red Firemist in the wheel pockets. On Med Sand Gray they were painted black.

Specific Special Edition Emblems identifying these cars appear both on the sail panels and center instrument panel.
Color coordianted sport mirrors (D35) you could also order remote mirrors (D68) for both drivers side and pass side.
Color Coordinated body side molding (B84)
The MSRP for the package was only $355 which was actually a bargin since the locking wire wheels and firemist paint cost much more than the WJ3 option.
You could also combine this with the popular option package WL7 or the Diesel traveling Package WL6
Pricing for the options were as follows...
MSRP
V1K Firemist paint $210
N/A Special Accent Stripes $45
B84 Color Coordinated Body Side Moldings $45
D35 Color Coordinated sport mirrors $53
N91 Simulated locking wheels $190
N/A Regency Trim N/A
Special Edition Emblems N/A


Total MSRP in excess of $543.00
MSRP of WJ3 option $355.00
Total savings in excess of $188.00 you saved


Popular Option Package (WJ7) includes followed by MSRP $
N66 SS Wheels $99- UL1 ETR AM-FM Radio with clock $277
U75 Power frt Antenna $60 - D90 Accent stripe $45
QMX P195/75 R14 Steel Belted radial whitewalls $62 -
N33 Tilt steering wheel $110.00 -CD4 Pulse wiper $50
Total MSRP $703 Total savings $200


You could combine the WJ6 Diesel Traveling package at a savings of $300
THey had you refer to Olds Bulletin 83-6 from Aug 29th, 1983 for more info.
Seating and fabric ordering codes were
Custom notchback bench seat W5 dark maple W1 Sand Grey
Custom divided bench w/ Dual control X5 darl maple X1 Sand grey
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