can i run my 1991 toyota pickup deluxe 4wd 4cyl with NO thermostat at all?

Asked by Aug 02, 2014 at 02:38 PM about the 1991 Toyota Pickup 2 Dr Deluxe 4WD Standard Cab SB

Question type: Maintenance & Repair

I removed thermostat from truck and never replaced it. is this going to cause problems with my vehicle? is thermostat necessary?

2 Answers

Not recommended. Sure, it will run fine, but can get too hot from coolant not staying in radiator long enough to cool, or vice-versa never warm up and lots of miles with a too-cool engine is not good. So bottom line, yes it's necessary, they put them in there for a reason

1 of 1 people found this helpful.
35,345

Your fuel economy will improve also.

Your Answer

Toyota Pickup Experts

  • #1
    Reelin68
    Reputation
    1,260
  • #2
    wabbo369
    Reputation
    690
  • #3
    LouB
    Reputation
    440
View All

Related Models For Sale

Used Toyota 4Runner
266 Great Deals out of 21,370 listings starting at $1,700
Used Ford F-150
2,238 Great Deals out of 179,994 listings starting at $1,300
Used Ford Ranger
164 Great Deals out of 5,460 listings starting at $1,499
Used Toyota Corolla
868 Great Deals out of 56,853 listings starting at $1,099
Used Nissan Truck
104 listings starting at $3,800
Used GMC Sierra 1500
869 Great Deals out of 65,536 listings starting at $1,500
Used Toyota Land Cruiser
11 Great Deals out of 1,002 listings starting at $3,900

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.