Engine knock at start up

Asked by Jan 12, 2016 at 09:44 PM about the Chevrolet Blazer

Question type: Maintenance & Repair

My 2002 has a ticking knock when I first
start the car but goes away after warmed
should I be concernd

2 Answers

25,505

yes..change the oil and filter and add some oil additive...like..lucas.

1 of 1 people found this helpful.
18,505

There was a thing gm called piston slap that occurred on the 4.3. They have gone for years like that but it sounds like crap when started cold and can last up to 5 min. But without hearing it is hard to tell you if that's it.

1 of 1 people found this helpful.

Your Answer

Add photo

Related Questions

Search Chevrolet Blazer Questions

Chevrolet Blazer Experts

#1 Andrew Olsen
Andrew Olsen
Reputation 1,990
#2 yetilikesbeer
yetilikesbeer
Reputation 1,300
#3 Rowefast
Rowefast
Reputation 1,030
View All

Related Models For Sale

Used Chevrolet TrailBlazer
96 Great Deals out of 4,752 listings starting at $999
Used Chevrolet Tahoe
559 Great Deals out of 31,371 listings starting at $1,500
Used Chevrolet S-10
5 Great Deals out of 1,311 listings starting at $2,400
Used Chevrolet Silverado 1500
1,773 Great Deals out of 181,200 listings starting at $250
Used GMC Jimmy
274 listings starting at $2,495
Used Ford Bronco
203 listings
Used Ford Explorer
928 Great Deals out of 70,251 listings starting at $997
Used Chevrolet Camaro
243 Great Deals out of 31,194 listings starting at $369
Used Chevrolet Colorado
242 Great Deals out of 24,816 listings starting at $2,499
Used Ford F-150
2,055 Great Deals out of 207,336 listings starting at $1,499
Used Jeep Grand Cherokee
1,024 Great Deals out of 72,253 listings starting at $700
Used Chevrolet Suburban
299 Great Deals out of 19,514 listings starting at $1,800
Used Ford Mustang
541 Great Deals out of 45,846 listings starting at $1,999
Used GMC Yukon
382 Great Deals out of 19,299 listings starting at $2,000
Used Chevrolet Impala
591 Great Deals out of 34,068 listings starting at $899

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.