Could the shop have messed something up changing radiator?

Asked by Nov 28, 2015 at 12:13 PM about the 1996 GMC Jimmy

Question type: Maintenance & Repair

Had the radiator changed on my 96 jimmy a few weeks ago and now on a cold start there is a sound similar to fan blade hitting shroud.  I checked fan while running and that doesn't seem to be the problem.  It only does it when cold and sometimes it's more noticeable when put into reverse.  Any ideas?  Will be taking it back to shop of course, just doing some research till then.

8 Answers

79,705

If your motor mounts are shot then the engine could shift causing the fan to hit the shroud.

What I don't understand though is that it only does it when the engine is cold. Why would this be?

79,705

Fast idle?

Normal cold idle. Not sure I would call it fast but being cold, little faster than usual. I watched it yesterday and I couldn't see the fan hitting shroud. It's weird, at times it's more noticeable when put in reverse which may lead a person to believe transmission issue but it will do it just sitting in park. All only when cold. (starting in the morning after sitting through the night) This started less then 24 hours after having radiator changed. Related or coincidence? I don't know, but odd.

19,535

It's very common for weak motor mounts to let the fan hit the shroud. Only when cold sounds odd. I like keeping it simple. It sounds like a fan hitting the shroud, they had to remove the shroud so it should be the shroud. Maybe they didn't line it up right?

After going out again this morning to check it out, it is the fan hitting the shroud. Did some more research and came to the conclusion that it could be one of a few things. Loose shroud, fan clutch, water pump or motor mounts. Crossing my fingers for just a loose shroud as that is probably the easiest and cheapest. Sounds like it could likely be the fan clutch if not loose shroud. Because it only does it on a cold start it sounds like motor mounts might be ruled out.

79,705

When the engine is cold it idles faster which could shift the engine enough to make this noise . The thing to do is raise the hood and have someone start it while observing the fan and shroud with a good flashlight.

19,535

The shroud just didn't get put back on right. Or the radiator didn't get pushed in all the way. Never seen a fan clutch go bad and do that.

Your Answer

Jimmy

Looking for a Used Jimmy in your area?

CarGurus has 235 nationwide Jimmy listings starting at $1,950.

ZIP:

GMC Jimmy Experts

  • #1
    Andrew Olsen
    Reputation
    310
  • #2
    1oldman
    Reputation
    270
  • #2
    tennisshoes
    Reputation
    270
View All

Related Models For Sale

Used Chevrolet Blazer
3 Great Deals out of 1,071 listings starting at $950
Used GMC Sierra 1500
1,026 Great Deals out of 66,259 listings starting at $1,995
Used GMC Yukon
473 Great Deals out of 22,227 listings starting at $1,995
Used Chevrolet Tahoe
734 Great Deals out of 41,543 listings starting at $1,995
Used Ford F-150
2,581 Great Deals out of 197,076 listings starting at $1,300
Used Ford Explorer
933 Great Deals out of 68,716 listings starting at $1,800
Used Chevrolet S-10
17 Great Deals out of 1,251 listings starting at $1,600
Used Ford Bronco
204 listings
Used GMC Sonoma
409 listings starting at $2,200
Used Chevrolet Suburban
377 Great Deals out of 22,880 listings starting at $1,999
Used Toyota Tacoma
598 Great Deals out of 44,633 listings starting at $1,790
Used Honda Civic
767 Great Deals out of 69,786 listings starting at $1,499

Used Cars For Sale

2001 GMC Jimmy For Sale
63 listings starting at $1,950
2000 GMC Jimmy For Sale
53 listings starting at $2,989
1999 GMC Jimmy For Sale
31 listings starting at $3,450

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.