SPONSORED LINKS

Mobil 1 synthetic oil weight

BIGCEE65

MEMBER
2004 CADILLAC CTS
3.6L
6 CYL
2WD
AUTOMATIC
99,975 MILES

My car calls for 5W30 Mobil 1 synthetic oil, but I think I need a thicker oil based on a slight valve rattle. Would it harm my engine if I switch to 10w30 Mobil Oil synthetic in my car? If that is too thick, can I do a half and half of the 5W30 and 10W30? Thanks for any advice.

SPONSORED LINKS

Monday, June 13th, 2016 AT 9:04 PM

1 Reply

KEN L

MASTER CERTIFIED MECHANIC
42,968 POSTS

Yep you will be okay with 10w30 that's what I use too.

Best, Ken

Was this

answer

helpful?

Yes

No

+1

Wednesday, June 15th, 2016 AT 8:31 PM

Please login or register to post a reply.

Related Noise Rattle Content

2004 Cadillac Cts

I Put My Car In Any Gear And I Hear Like As If My Gears Are Not In Place And Hear A Semi Clicking Sound

Asked by munchyp20 ·

1 ANSWER

2004

Buzzing Noise

My Car Makes A Buzzing Sound When Accelerating, Im Trying To Pinpoint The Cause Not Cannot Not Find Any Information About It. I've Tried To...

Asked by rickysh11 ·

5 ANSWERS

2005

Knock When I Brake

I Seem To Experience A Weird Knock Or Clunk Sound When I Initially Apply The Brakes In My Car. It Only Happens After I've Started The Engine...

Asked by rickysh11 ·

1 ANSWER

2005

Buzzing Noise

My Car Makes A Buzzing Sound When Accelerating, Im Trying To Pinpoint The Cause Not Cannot Not Find Any Information About It. I've Checked...

Asked by rickysh11 ·

1 ANSWER

2005

Grinding Or Grunting Noise...

I've Been Experiencing Some Grinding Or More Of A Grunt Type Of Sound When I Turn My Steering Wheel The Sound Seems To Come From The Drivers...

Asked by rickysh11 ·

4 ANSWERS

2005

Sponsored links

Ask a Car Question. It's Free!

SPONSORED LINKS

Grinding Noises

Grinding Noises

Howling

Serpentine Belt Replacement Ford Contour

Serpentine Belt Replacement Ford Contour

Online car repair manuals

Online car repair manuals

© 1999 - 2024 2CarPros, Inc.