You are here:

Dodge Repair/'03 Caravan 3.8L: main bearing cap/connecting rod bolt torques

Advertisement


Question
I need to know the torque specs. and sequence for the main cap bolts, including the four that go through the side of the block and i also need the torque specs. for the rod bolts.

Answer
Hi Kevin,
The crankshaft main cap bolts should be inspected for stretched threads and also for straight alignment.
The torque is 30 foot-pounds plus 1/4 turn.
The crankshaft cross block bolts and washers should be replaced with new ones for the 3.8L engine. Then torque them to 45 foot-pounds.
The connecting rod bolts should also be checked for stretching and alignment. Tighten the nuts to 40 foot-pounds plus 1/4 turn.
Do you have the shop manual or equivalent, because there are many details that go along with the procedure? If not, I can copy the pages about this part of the job from a CD and attach them to an email I would send to you directly. But I need to know your email address which you can tell me in a follow-up question. But don't use the @ symbol, instead use "at", otherwise the address is automatically erased.
I am away all day today but can send these pages to you this evening if you can wait that long.
Pleaser 'rate/nominate' my answer/me (see the PS below).
Thanks,
Roland

Dodge Repair

All Answers


Answers by Expert:


Ask Experts

Volunteer


Roland Finston

Expertise

Get a Free Fast answer to your repair question about a Chrysler/Dodge/Plymouth car, minivan, SUV, or truck. Problems with electronically controlled engines and transmissions as well as body wiring problems are my specialty. This free troubleshoot advice forum helps you diagnose faults, minimize repair costs or do-it-yourself.

I answer questions seven days a week and respond to you in about 30 minutes. "Maxed Out" means I am answering another question or asleep overnight so try again later.

I have do-it-yourself experience (50+ years) and a library of 100 1982-2012 Chrysler factory shop manuals and 20 multi-manual Chrysler Corp. CD's.

I was voted "Top expert" from 2010-2015 here at AllExperts, and have answered 20,000+ questions.

Experience

Five decades as a 'do-it-yourselfer' on domestic and imported cars

Organizations
Yahoo Autos Group called The Chrysler Lebaron Club (co-moderator)

Education/Credentials
Degrees in Physics/bruised knuckles.

Awards and Honors
"Top expert" of 2010, 2011, 2012, 2013, 2014, and 2015 here at Allexperts. Quickest "average response time" at Allexperts (currently no. 1).

©2016 About.com. All rights reserved.