Question about 1991 Oldsmobile Cutlass Calais
Does it change from defrost to vents? If not fix the vacuum line from the engine to the controller. Usually on the passenger side is where it breaks. Can't find the break. Run a new one. The line runs inside the electrical harness. Not worth the time to find the break.
Posted on Dec 06, 2016
Get the system flushed where you get your oil changed.
Posted on Dec 06, 2016
Check for low coolant level
Posted on Dec 06, 2016
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Posted on Jan 02, 2017
Oldsmobile Cutlass Calais were made from1978-1991, and yes there were manual trans as well as automatic trans.
Here's some History on the Cutlass Calais.
March 1982 to replace Starfire, Lansing's version of the front-drive 101.2-inch-wheelbase corporate J-body subcompact failed to attract more than about 45,000 customers in most years -- except for 1984, when it garnered a creditable 82,500 -- even though Olds tried most everything it could think of to sell it.
1988 the Firenza had offered all the J body styles, sporty GT and SX variants, overhead-valve and overhead-cam fours, optional V-6, and a confusing procession of price-leader and luxury models. But nothing seemed to work, and Olds gave up after '88. Firenza was no great loss, though, because 1985 brought a more-sale-able small Olds in the N-body Calais, called Cutlass Calais after 1988. Sized between Firenza and Omega on a 103.4-inch wheelbase, it bowed as a rounded, short-deck coupe in two versions: base and -- just to confuse things -- Supreme. Four-door sedans were added for 1986.
There was a lot of J-car engineering under the "modern formal" styling, and initial engine choices were the Ciera's familiar Pontiac-built four and 3.0-liter Buick V-6. Even so, customers generally liked this new bottle of old wine, snapping up 100,000-plus in the first year and better than 150,000 of the '86s -- about midway between the similar Pontiac Grand Am and Buick Skylark/Somerset.
For 1988, Calais coupes and sedans grouped into base, luxury SL, and sporty International Series (the last replacing a GT package option), but the big news was the first twin cam, 16-valve four-cylinder engine in American production, the Quad-4. Designed and built by Olds and offered as an across-the-board Calais option, it delivered 150 rather rough and noisy horses, but was claimed capable of much more.
Olds proved it by adding a tuned 180-bhp version for 1989. A more-useful option that year was a new 3.3-liter derivative of the 173-cid Chevrolet-sourced V-6. Replacing the Buick-built 3.0, it also produced 160 bhp -- and more torque than even the "High Output" Quad-4. To fill in for the departed Firenza, prosaically named Value Leader Calais models appeared for '89 with less standard equipment and restricted options but lower prices.
Enthusiasts surely shuddered when the 442 returned (sans hyphens) as a performance option for the base 1990 Calais coupe. Olds said the name now designated "Quad-4, 4 valves per cylinder and 2 camshafts."
Included in the $1667 package were the 180-horse Quad-4, five-speed manual transaxle, a specific version of Oldsmobile's FE3 sport suspension, meaty 215/60R14 performance tires on alloy wheels, full instrumentation, a cute rear-deck spoiler, and bold "442" exterior I.D. "Buff books" gave this latest 442 a lot of ink, but customers mostly gave it the cold shoulder.
Even a hallowed name on an honestly speedy little car couldn't convince many that Olds still specialized in high performance the way it had in the '50s and '60s.
Posted on Jan 12, 2009
is your car a 79 or an 85?if it's a 79 you probably need to repace the dimmer switch on the floor,may be the same for a 85.
Posted on Jul 30, 2009
SOURCE: my heater fan does not
Your 91 Cutlass has a relay for the high blower fan position.
When all other speeds are working the relay, the blower switch or the wiring to it will be the issue.
The relay is the most likely problem.
If you look at the relay in the lower diagram you will see that the red wire is supposed to have power all the time. If it doesn't, the fuse link has blown.
The orange wire is supposed to have power when the key is on and the blower switch set on high.
We know the blower switch has power because it works on other speeds. So if there is no power there, the switch or the wire to the relay is bad.
We know the purple wire is OK because the motor works on other speeds.
The black (ground) is OK at the motor but the splice at S180 could be corroded, so check that the ground at the relay is good too.
If you check all that, you will find the problem.
Here is a location for the relay. It's under the hood.
There you are, if you have another question relating to this please ask me here.
Thank you for using FixYa.
Posted on Dec 17, 2010
Check for correct coolant mixture. Also you could have a thermostat that is stuck completely open causing it to flow straight threw the engine block, cylinder heads, heater core, an radiator without stopping long enough to heat the coolant up to provide cab heat. It could also be a clogged heater core. Or a blend door on the HVAC box that is not allowing the heater core door to open. Hope this helps.
Posted on Nov 27, 2012
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